Moon Ji-yeon (January 12, 2022). "[SC리뷰] 연예부가 최약체? 김재환·이이경 반전 활약('전설체전')" [[SC Review] Is the entertainment department the weakest? Kim Jae-hwan and Lee Yi-kyung's reversal performance ('Legendary Competition')]. Sports Chosun (in Korean). Retrieved January 15, 2022.
daum.net
100.daum.net
정형돈 [Jung Hyung-don]. Daum 100 (in Korean). Retrieved July 29, 2018.
Hwang So-young (October 19, 2021). "[단독] 정형돈-김용만, FNC와 전속계약 종료 '재계약 NO" [[Exclusive] Jung Hyung-don and Kim Yong-man, contract with FNC ended 'No renewal of contract'] (in Korean). JTBC. Retrieved October 19, 2021 – via Naver.
Ko Jae-wan (November 15, 2021). "[공식] 김용만·김성주·안정환·정형돈 손잡고 콘텐츠 기획사 '뭉친프로젝트' 출발" [[Official] Kim Yong-man, Kim Seong-joo, Ahn Jung-hwan, and Jeong Hyeong-don join hands to launch 'United Project', a content management company] (in Korean). Sports Chosun. Retrieved November 16, 2021 – via Naver.
Shim Eom-kyung (August 18, 2021). "[단독]정형돈·이윤지, '오은영의 금쪽상담소' 합류…9월 첫 방송" [[Exclusive] Hyung-don Jeong and Yoon-ji Lee join 'Eun-young Oh's Golden Counseling Center'... first broadcast in september]. Spotify News (in Korean). Naver. Retrieved August 18, 2021.
Park Jung-min (August 18, 2021). "채널A 측 "이윤지 정형돈 '오은영의 금쪽상담소' MC 합류"(공식)" [Channel A side “Lee Yun-ji and Jung Hyung-don join ‘Oh Eun-young’s Golden Counseling Center’ MC” (official)]. Newsen (in Korean). Naver. Retrieved August 18, 2021.
Kim Ga-young (December 24, 2021). "정형돈X장성규, 20주년 '서프라이즈' 스핀오프 토크쇼 MC [공식]" [Jung Hyung-don X Jang Seong-gyu, 20th Anniversary 'Surprise' spin-off talk show MC [Official]] (in Korean). E-Daily. Retrieved December 24, 2021 – via Naver.
Ha Ji-won (July 5, 2022). "절친' 김용만→정형돈, '동네 당구'로 뭉쳤다…8일 첫방" [Best friend' Yongman Kim → Hyungdon Jeong, united in 'neighborhood billiards'... first episode on the 8th] (in Korean). X-ports News. Retrieved July 5, 2022 – via Naver.
Yang, Yu-jin (October 11, 2022). "MBC, '예능 단독' 카타르 월드컵 현장 담은 '히든 카타르' 론칭 [공식]" [MBC launches 'Hidden Qatar' featuring the Qatar World Cup in 'Entertainment Exclusive' [Official]]. My Daily (in Korean). Retrieved October 11, 2022 – via Naver.
Ha, Kyung-heon (February 13, 2023). "김용만-안정환-김성주-정형돈, '시골경찰'로 다시 한 번 뭉친다" [Kim Yong-man, Ahn Jung-hwan, Kim Seong-joo, and Jung Hyeong-don, unite once again as ‘Rural Police’] (in Korean). Sports Kyunghyang. Retrieved February 14, 2023 – via Naver.
Hwang Hye-jin (January 24, 2022). "허니제이→임수향 '마녀체력 농구부' 출연 확정, 운동꽝 언니들 도전기(공식)" [Honey J → Im Soo-hyang confirmed to appear in 'Witch Fitness Basketball Club', challenged by athletic sisters (official)] (in Korean). Newsen. Retrieved January 24, 2022 – via Naver.
Yeon Hwi-seon (April 27, 2022). "[단독] 정형돈, '무도' 제작진 재회..'빌런캐' 오대환·이중옥·김준배 '악카펠라' 뜬다 (종합)" [[Exclusive] Hyungdon Jung, 'Budo' crew reunion.. 'Villain Cast' Oh Dae-hwan, Lee Jung-ok, Kim Jun-bae 'Accappella' rises (comprehensive)] (in Korean). OSEN. Retrieved April 27, 2022 – via Naver.
Jang Ah-reum (April 29, 2022). "김준배·오대환·이중옥·현봉식·이호철 하모니…'악카펠라' 6월2일 첫방 [공식]" [Kim Jun-bae, Oh Dae-hwan, Lee Jung-ok, Hyun Bong-sik, Lee Ho-cheol Harmony… 'Accapella' premiere on June 2nd [Official]] (in Korean). News1. Retrieved April 29, 2022 – via Naver.