Tài liệu tham khảo

WikiPedia: Seo Eunkwang http://m.weibo.cn/2641606884/ybZ4W0LsW?jumpfrom=we... http://www.allkpop.com/article/2012/03/btobs-insan... http://www.allkpop.com/article/2012/07/btobs-eunkw... http://btobofficial.com/ http://btobofficial.com http://star.fnnews.com/news/index.html?no=106011 http://www.koreaboo.com/tv-shows/btobs-eunkwang-jo... http://www.newsen.com/news_view.php?uid=2013100114... http://www.newsen.com/news_view.php?uid=2013102408... http://www.soompi.com/2014/02/09/btob-releases-tea...