龚勋. (2012). 中国学生最想解开的1001个地球之谜: Puzzle of the earth. 人民武警出版社.
Lua i Stíl Chicago (17ú heag.)龚勋. 中国学生最想解开的1001个地球之谜: Puzzle of the Earth. 人民武警出版社, 2012.
Lua MLA (8ú heag.)龚勋. 中国学生最想解开的1001个地球之谜: Puzzle of the Earth. 人民武警出版社, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.