约翰逊 & 王晓春. (2009). 你一定要知道的100个鸟类奥秘: 100 things you should know about birds. 中央编译出版社.
Dyfyniad Arddull Chicago约翰逊 and 王晓春. 你一定要知道的100个鸟类奥秘: 100 Things You Should Know About Birds. 中央编译出版社, 2009.
Dyfyniad MLA约翰逊 and 王晓春. 你一定要知道的100个鸟类奥秘: 100 Things You Should Know About Birds. 中央编译出版社, 2009.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.