龚勋. (2012). 最不可思议的恐龙未解之谜: Incredible unsolved mysteries of dinosaurs. 汕头大学出版社.
Dyfyniad Arddull Chicago龚勋. 最不可思议的恐龙未解之谜: Incredible Unsolved Mysteries of Dinosaurs. 汕头大学出版社, 2012.
Dyfyniad MLA龚勋. 最不可思议的恐龙未解之谜: Incredible Unsolved Mysteries of Dinosaurs. 汕头大学出版社, 2012.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.