金永 & 郑庆华. (2010). 超新奇的世界地理: Exciting knowledge of world geography. 晨光出版社.
Dyfyniad Arddull Chicago金永 and 郑庆华. 超新奇的世界地理: Exciting Knowledge of World Geography. 晨光出版社, 2010.
Dyfyniad MLA金永 and 郑庆华. 超新奇的世界地理: Exciting Knowledge of World Geography. 晨光出版社, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.