Lua APA (7ú heag.)

龚勋. (2012). 世界国家地理: World national geography. 汕头大学出版社.

Lua i Stíl Chicago (17ú heag.)

龚勋. 世界国家地理: World National Geography. 汕头大学出版社, 2012.

Lua MLA (8ú heag.)

龚勋. 世界国家地理: World National Geography. 汕头大学出版社, 2012.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.