"KBS 성우극회 소개: 기수별 명단" (in Korean). Korean Broadcasting System Voice Acting Division. Archived from the original on 12 January 2013. Retrieved 25 January 2012. See a row beginning with "제 32 기 2006" on the table.
`불운한 황녀` 덕혜의 일생. DigitalTimes (in Korean). 9 December 2011. Retrieved 25 January 2012. See "32기 KBS 성우 장민혁(2008년 KBS라디오 연기대상 신인상)" on a paragraph beginning with "오디오북으로 제작된 덕혜옹주는".
"KBS 성우극회 소개: 기수별 명단" (in Korean). Korean Broadcasting System Voice Acting Division. Archived from the original on 12 January 2013. Retrieved 25 January 2012. See a row beginning with "제 32 기 2006" on the table.