Peak chart positions on Circle Digital Chart (formerly Gaon Digital Chart):
"Ssok Ssok Ssok". Gaon Music Chart. July 2, 2011. Archived from the original on February 4, 2015. Retrieved October 16, 2022.
2017년 25주차 Download Chart [Week 25 of 2017 Download Chart]. Gaon Music Chart (in Korean). June 18–24, 2017. Archived from the original on July 11, 2017. Retrieved October 15, 2022.
2011년 06월 Download Chart [June 2011 Download Chart]. Gaon Music Chart (in Korean). July 14, 2011. Archived from the original on December 8, 2015. Retrieved October 16, 2022.
2017년 41주차 Download Chart [Week 41 of 2017 Download Chart]. Gaon Music Chart (in Korean). October 8–14, 2017. Archived from the original on October 19, 2017. Retrieved October 16, 2022.
2018년 48주차 Download Chart [Week 48 of 2018 Download Chart]. Gaon Music Chart. December 1, 2018. Archived from the original on December 6, 2018. Retrieved October 15, 2022.
2021년 17주차 Download Chart [Week 17 of 2021 Download Chart]. Gaon Music Chart. April 18–24, 2021. Archived from the original on April 29, 2021. Retrieved October 15, 2022.
2022년 18주차 Download Chart [Week 18 of 2022 Download Chart]. Gaon Music Chart. April 24–30, 2022. Archived from the original on May 5, 2022. Retrieved October 16, 2022.
genie.co.kr
"JR (뉴이스트)" [JR (NU'EST)]. Genie Music (in Korean). Archived from the original on February 22, 2020. Retrieved January 19, 2020.
hankyung.com
tenasia.hankyung.com
Kim, Ha-jin (February 24, 2017). "뉴이스트 측 "'프로듀스 101' 출연 확정"". Ten Asia (in Korean). Archived from the original on January 27, 2020. Retrieved June 24, 2017.
Kim, Young-jin (February 9, 2012). "유이, 뉴이스트 '백호' 직접 작명.."이름 어때요?"" (in Korean). Star News. Archived from the original on August 15, 2017. Retrieved June 4, 2017.
osen.mt.co.kr
Choi, Na-young (August 4, 2017). "'수상한 가수' 측 "뉴이스트 김종현, 판정단 합류"". OSEN (in Korean). Archived from the original on November 17, 2017. Retrieved November 16, 2017.
Lee, Younhee. "뉴이스트 김종현, '너의 밤이 되어줄게' 출연 확정" [NU'EST Kim Jong-hyun confirmed to appear in 'I'll become your night'] (in Korean). Archived from the original on November 30, 2021. Retrieved April 9, 2021.
Hong Se-young (May 16, 2022). "뉴이스트 김종현, 에버모어엔터와 전속계약 "배우·솔로 동시에" [공식]" [[Official] NU'EST's Jonghyun Kim, an exclusive contract with Evermore Entertainment, "Actor and solo at the same time" [Official]] (in Korean). Sports Donga. Archived from the original on May 16, 2022. Retrieved May 16, 2022 – via Naver.
Kim, Soo-jin (June 3, 2022). "뉴이스트 출신 김종현, 단독 팬미팅 7월 2일 'Hi 하이' 개최" [Kim Jong-hyun from NU'EST held a solo fan meeting 'Hi High' on July 2nd] (in Korean). MT StarNews. Archived from the original on June 3, 2022. Retrieved June 3, 2022 – via Naver.
Park, Sang-hoo (September 28, 2022). "뉴이스트 출신 김종현, 10년 만 솔로 데뷔… 11월 발매" [Kim Jong-hyun from NU'EST to debut solo after 10 years... November release] (in Korean). JTBC. Archived from the original on October 1, 2022. Retrieved September 28, 2022 – via Naver.
Song, Soo-min (October 11, 2022). "김종현, 11월 8일 솔로 데뷔…첫 앨범명은 'MERIDIEM'" [Kim Jonghyun, solo debut on November 8th... The name of the first album is 'MERIDIEM'] (in Korean). Dispatch. Archived from the original on October 11, 2022. Retrieved October 11, 2022 – via Naver.
Kim, Na-yeon (October 31, 2022). "지상파·종편만? 이태원 참사에 스타 콘텐츠 '올스톱'[★NEWSing]" [Terrestrial and general only? Star content 'All-Stop' in the Itaewon disaster [NEWSing]]. MT Star News (in Korean). Archived from the original on October 31, 2022. Retrieved October 31, 2022 – via Naver.
Kang, Hyo-jin (February 28, 2023). "[단독]뉴이스트 출신 김종현, 드라마 '소리사탕' 주연…연기 활동 박차" [[Exclusive] Kim Jong-hyun from Nu'est, starring in the drama 'Sori Candy'... spur of acting] (in Korean). SpoTV News. Archived from the original on February 28, 2023. Retrieved February 28, 2023 – via Naver.
Yang So-young (March 28, 2023). 김종현, '시작은 키스' 출연 확정...이현주·차선우와 호흡 [Kim Jong-hyun confirmed to appear in 'Kiss is the Beginning'... Breathing with Lee Hyun-joo and Cha Seon-woo]. MK (in Korean). Archived from the original on March 28, 2023. Retrieved March 28, 2023 – via Naver.
Yoo, Soo-yeon (August 18, 2024). 김종현, 오는 9월 현역 입대..."금방 돌아올게요" 심경 언급 [Kim Jong-hyeon, enlisting in the military in September..."I'll be back soon" Expressing His Feelings] (in Korean). Osen. Retrieved August 19, 2024 – via Naver.
Lee, Soo-jin (August 19, 2024). 뉴이스트 출신 김종현, 9월 23일 육군 현역 입대 [공식] [Kim Jong-hyeon from NU'EST to enlist in the military on September 23 [Official]] (in Korean). Ilgan Sports. Retrieved August 19, 2024 – via Naver.
Kim, Young-jin (February 9, 2012). "유이, 뉴이스트 '백호' 직접 작명.."이름 어때요?"" (in Korean). Star News. Archived from the original on August 15, 2017. Retrieved June 4, 2017.
Kim, Ha-jin (February 24, 2017). "뉴이스트 측 "'프로듀스 101' 출연 확정"". Ten Asia (in Korean). Archived from the original on January 27, 2020. Retrieved June 24, 2017.
Choi, Na-young (August 4, 2017). "'수상한 가수' 측 "뉴이스트 김종현, 판정단 합류"". OSEN (in Korean). Archived from the original on November 17, 2017. Retrieved November 16, 2017.
Lee, Younhee. "뉴이스트 김종현, '너의 밤이 되어줄게' 출연 확정" [NU'EST Kim Jong-hyun confirmed to appear in 'I'll become your night'] (in Korean). Archived from the original on November 30, 2021. Retrieved April 9, 2021.
Hong Se-young (May 16, 2022). "뉴이스트 김종현, 에버모어엔터와 전속계약 "배우·솔로 동시에" [공식]" [[Official] NU'EST's Jonghyun Kim, an exclusive contract with Evermore Entertainment, "Actor and solo at the same time" [Official]] (in Korean). Sports Donga. Archived from the original on May 16, 2022. Retrieved May 16, 2022 – via Naver.
Kim, Soo-jin (June 3, 2022). "뉴이스트 출신 김종현, 단독 팬미팅 7월 2일 'Hi 하이' 개최" [Kim Jong-hyun from NU'EST held a solo fan meeting 'Hi High' on July 2nd] (in Korean). MT StarNews. Archived from the original on June 3, 2022. Retrieved June 3, 2022 – via Naver.
Park, Sang-hoo (September 28, 2022). "뉴이스트 출신 김종현, 10년 만 솔로 데뷔… 11월 발매" [Kim Jong-hyun from NU'EST to debut solo after 10 years... November release] (in Korean). JTBC. Archived from the original on October 1, 2022. Retrieved September 28, 2022 – via Naver.
Song, Soo-min (October 11, 2022). "김종현, 11월 8일 솔로 데뷔…첫 앨범명은 'MERIDIEM'" [Kim Jonghyun, solo debut on November 8th... The name of the first album is 'MERIDIEM'] (in Korean). Dispatch. Archived from the original on October 11, 2022. Retrieved October 11, 2022 – via Naver.
Kim, Na-yeon (October 31, 2022). "지상파·종편만? 이태원 참사에 스타 콘텐츠 '올스톱'[★NEWSing]" [Terrestrial and general only? Star content 'All-Stop' in the Itaewon disaster [NEWSing]]. MT Star News (in Korean). Archived from the original on October 31, 2022. Retrieved October 31, 2022 – via Naver.
Peak chart positions on Circle Digital Chart (formerly Gaon Digital Chart):
"Ssok Ssok Ssok". Gaon Music Chart. July 2, 2011. Archived from the original on February 4, 2015. Retrieved October 16, 2022.
2017년 25주차 Download Chart [Week 25 of 2017 Download Chart]. Gaon Music Chart (in Korean). June 18–24, 2017. Archived from the original on July 11, 2017. Retrieved October 15, 2022.
2011년 06월 Download Chart [June 2011 Download Chart]. Gaon Music Chart (in Korean). July 14, 2011. Archived from the original on December 8, 2015. Retrieved October 16, 2022.
Peak chart positions on Billboard's K-pop Hot 100:
"With". Billboard Korea (in Korean). October 22, 2017. Archived from the original on December 27, 2017. Retrieved October 15, 2022.
2017년 41주차 Download Chart [Week 41 of 2017 Download Chart]. Gaon Music Chart (in Korean). October 8–14, 2017. Archived from the original on October 19, 2017. Retrieved October 16, 2022.
2018년 48주차 Download Chart [Week 48 of 2018 Download Chart]. Gaon Music Chart. December 1, 2018. Archived from the original on December 6, 2018. Retrieved October 15, 2022.
2021년 17주차 Download Chart [Week 17 of 2021 Download Chart]. Gaon Music Chart. April 18–24, 2021. Archived from the original on April 29, 2021. Retrieved October 15, 2022.
2022년 18주차 Download Chart [Week 18 of 2022 Download Chart]. Gaon Music Chart. April 24–30, 2022. Archived from the original on May 5, 2022. Retrieved October 16, 2022.
Kang, Hyo-jin (February 28, 2023). "[단독]뉴이스트 출신 김종현, 드라마 '소리사탕' 주연…연기 활동 박차" [[Exclusive] Kim Jong-hyun from Nu'est, starring in the drama 'Sori Candy'... spur of acting] (in Korean). SpoTV News. Archived from the original on February 28, 2023. Retrieved February 28, 2023 – via Naver.
Yang So-young (March 28, 2023). 김종현, '시작은 키스' 출연 확정...이현주·차선우와 호흡 [Kim Jong-hyun confirmed to appear in 'Kiss is the Beginning'... Breathing with Lee Hyun-joo and Cha Seon-woo]. MK (in Korean). Archived from the original on March 28, 2023. Retrieved March 28, 2023 – via Naver.