MYTRO'Dance Hole' Seo Woo-hyuk, Early Morning Joint Practice... 'True Sisters' Impressed]. The Chosun Ilbo. 2024-10-06 [2024-11-04] (韩语). Kim, Chaeyeon. 조영수 "이영자
第一屆偶像明星田徑錦標賽(原始内容存档于2012-06-06) (韩语). Lee, Jung-hyuk. '육상돌' 조권-보라, 얼마나 빠른거야?. Sports Chosun. September 27, 2010 [September 27, 2010]. (原始内容存档于2019-02-21) (韩语). Kim, Kyung-min. '인간