Kwak, Hyeon-su (September 17, 2021). "플레이엠·크래커 엔터 통합…에이핑크·더보이즈 한 식구 된다" [PlayM and Creker Enter integration… Apink and The Boyz become one family]. YTN (dalam bahasa Korea). Diarkibkan daripada yang asal pada February 25, 2022. Dicapai pada September 17, 2021 – melalui Naver.
Kim Ye-ji (November 12, 2021). "에이핑크 '플레이엠'·더보이즈 '크래커', IST로 통합" [Apink's 'PlayM' and The Boyz's 'Creker' merged into IST] (dalam bahasa Korea). Newsis. Diarkibkan daripada yang asal pada November 12, 2021. Dicapai pada November 12, 2021 – melalui Naver.
Jeong Bit (May 9, 2022). "[공식]IST엔터, 新보이그룹 ABO 론칭…'디 오리진'으로 뽑힌 7人, 하반기 데뷔" [[Official] IST Entertainment launches new boy group ABO... 7 people selected as 'The Origin' to debut in the second half of the year] (dalam bahasa Korea). Sports Chosun. Dicapai pada May 9, 2022 – melalui Naver.
Choo, Seung-hyun (October 11, 2022). "음주운전' 빅톤 허찬, 결국 팀 탈퇴…"6인 체제 재정비" [전문]" (dalam bahasa Korea). Seoul Economic Daily. Dicapai pada October 11, 2022 – melalui Naver.
Kim, So-yeon (April 20, 2023). "빅톤 최병찬·도한세·정수빈, IST엔터 떠난다" [Choi Byungchan, Do Hanse, and Jung Soobin of Victon leave IST Entertainment]. Hankyung (dalam bahasa Korea). Dicapai pada April 20, 2023 – melalui Naver.
Kim No-eul (February 7, 2022). "에이핑크·더보이즈 소속사, 올 상반기 새 보이그룹 론칭 [공식입장]" [Apink and The Boyz agency launch a new boy group in the first half of this year [Official position]] (dalam bahasa Korea). Xports News. Diarkibkan daripada yang asal pada February 7, 2022. Dicapai pada February 7, 2022 – melalui Naver.
Kim, Hyun-sik (October 22, 2021). "김채현 1위…'걸스플래닛' 9인조 걸그룹 '케플러' 결성". Edaily (dalam bahasa Korea). Diarkibkan daripada yang asal pada October 22, 2021. Dicapai pada October 22, 2021.
Lee, Tae-soo (April 28, 2023). 에이핑크, 정은지만 남고 소속사 IST 떠난다…"팀 활동 유지" [Apink, Jung Eun-ji will leave the agency IST... "Keeping the Team Active"]. Yonhap News (dalam bahasa Korea). Dicapai pada April 28, 2023 – melalui Naver.
"카카오엠, 자회사 이앤티스토리 합병 절차 밟을까". thebell.co.kr (dalam bahasa Korea). January 11, 2021. Diarkibkan daripada yang asal pada July 9, 2021. Dicapai pada July 1, 2021.
"카카오엠, 자회사 이앤티스토리 합병 절차 밟을까". thebell.co.kr (dalam bahasa Korea). January 11, 2021. Diarkibkan daripada yang asal pada July 9, 2021. Dicapai pada July 1, 2021.
"로엔, 인디 레이블 '문화인' 설립…우효 등 계약". Yonhap News Agency (dalam bahasa Korea). June 1, 2016. Diarkibkan daripada yang asal pada July 9, 2021. Dicapai pada July 1, 2021.
Kwak, Hyeon-su (September 17, 2021). "플레이엠·크래커 엔터 통합…에이핑크·더보이즈 한 식구 된다" [PlayM and Creker Enter integration… Apink and The Boyz become one family]. YTN (dalam bahasa Korea). Diarkibkan daripada yang asal pada February 25, 2022. Dicapai pada September 17, 2021 – melalui Naver.
Kim Ye-ji (November 12, 2021). "에이핑크 '플레이엠'·더보이즈 '크래커', IST로 통합" [Apink's 'PlayM' and The Boyz's 'Creker' merged into IST] (dalam bahasa Korea). Newsis. Diarkibkan daripada yang asal pada November 12, 2021. Dicapai pada November 12, 2021 – melalui Naver.
Kim No-eul (February 7, 2022). "에이핑크·더보이즈 소속사, 올 상반기 새 보이그룹 론칭 [공식입장]" [Apink and The Boyz agency launch a new boy group in the first half of this year [Official position]] (dalam bahasa Korea). Xports News. Diarkibkan daripada yang asal pada February 7, 2022. Dicapai pada February 7, 2022 – melalui Naver.
Kim, Hyun-sik (October 22, 2021). "김채현 1위…'걸스플래닛' 9인조 걸그룹 '케플러' 결성". Edaily (dalam bahasa Korea). Diarkibkan daripada yang asal pada October 22, 2021. Dicapai pada October 22, 2021.
Seoyeon, Ban (January 15, 2021). 김소현, 이앤티스토리와 전속계약 만료 "앞날 응원"(공식) [Kim So-Hyun and E&T Story and Exclusive Contract Expiration "Support for the Future" (Official)]. YTN Star. Diarkibkan daripada yang asal pada January 21, 2021. Dicapai pada January 16, 2021.
"History (band)" (dalam bahasa Korea). Ten Asia. Diarkibkan daripada yang asal pada May 15, 2017. Dicapai pada May 12, 2017.
yna.co.kr
"로엔, 인디 레이블 '문화인' 설립…우효 등 계약". Yonhap News Agency (dalam bahasa Korea). June 1, 2016. Diarkibkan daripada yang asal pada July 9, 2021. Dicapai pada July 1, 2021.
Seoyeon, Ban (January 15, 2021). 김소현, 이앤티스토리와 전속계약 만료 "앞날 응원"(공식) [Kim So-Hyun and E&T Story and Exclusive Contract Expiration "Support for the Future" (Official)]. YTN Star. Diarkibkan daripada yang asal pada January 21, 2021. Dicapai pada January 16, 2021.