Choi Hee-jae (September 28, 2021). "이승훈·이규혁, IHQ와 전속 계약…"좋은 성적으로 보답할 것" [공식입장]" [Lee Seung-hoon and Lee Kyu-hyuk signed an exclusive contract with IHQ… "I will repay you with good grades" [Official position]]. Xports News (in Korean). Retrieved September 28, 2021 – via Naver.
"Seung-Hoon Lee". Vancouver2010.com. Vancouver Organizing Committee for the 2010 Olympic and Paralympic Winter Games. Archived from the original on 2010-02-13. Retrieved 2010-02-13.
web.archive.org
"Seung-Hoon Lee". Vancouver2010.com. Vancouver Organizing Committee for the 2010 Olympic and Paralympic Winter Games. Archived from the original on 2010-02-13. Retrieved 2010-02-13.