龚勋. (2012). 世界之最: Complete book of the world records. 汕头大学出版社.
Chicago Style (17. basım) Atıf龚勋. 世界之最: Complete Book of the World Records. 汕头大学出版社, 2012.
MLA (8th ed.) Atıf龚勋. 世界之最: Complete Book of the World Records. 汕头大学出版社, 2012.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..