曾景忠. (2005). 血色长空: Photo record on the Anti-Japanese war by air force. 团结出版社.
Dyfyniad Arddull Chicago曾景忠. 血色长空: Photo Record on the Anti-Japanese War by Air Force. 团结出版社, 2005.
Dyfyniad MLA曾景忠. 血色长空: Photo Record on the Anti-Japanese War by Air Force. 团结出版社, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.