金永 & 郑庆华. (2010). 超新奇的世界地理: Exciting knowledge of world geography. 晨光出版社.
Lua i Stíl Chicago (17ú heag.)金永 agus 郑庆华. 超新奇的世界地理: Exciting Knowledge of World Geography. 晨光出版社, 2010.
Lua MLA (8ú heag.)金永 agus 郑庆华. 超新奇的世界地理: Exciting Knowledge of World Geography. 晨光出版社, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.