POP(英语:Herald Corporation). 2017-02-22 [2018-01-04]. (原始内容存档于2017-10-07) (韩语). Herman, Tamar. 10 Best New K-Pop Groups in 2016. Billboard. 2016-12-21 [2017-06-22]
Louisiana. usgwarchives.net. [2013-03-30]. (原始内容存档于2012-07-19). Mandell, Jonathan. SPRING THEATER: PERFORMANCE; Class Clown Makes Good, Quietly. The New
[2022-10-09]. ISBN 978-0-7656-2905-0. (原始内容存档于2022-11-25) (英语). Knell, Herman. To Destroy A City: Strategic Bombing And Its Human Consequences In World