updates, articles, pictures and commentary (In English) "Skyscrapercity BTS Dark Green Line extension thread" (页面存档备份,存于互联网档案馆) Regular updates, articles, pictures
Online. [13 April 2007]. (原始内容存档于2012-10-26). Articles by John Derbyshire at New English Review. New English Review. [13 April 2007]. (原始内容存档于2021-03-23)