龚勋 & 房明. (2009). 世界重大发明发现百科全书: Critical inventions and discoveries of the world. 云南教育出版社.
Lua i Stíl Chicago (17ú heag.)龚勋 agus 房明. 世界重大发明发现百科全书: Critical Inventions and Discoveries of the World. 云南教育出版社, 2009.
Lua MLA (8ú heag.)龚勋 agus 房明. 世界重大发明发现百科全书: Critical Inventions and Discoveries of the World. 云南教育出版社, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.