龚勋. (2012). 国家地理百科全书: China national geography. 汕头大学出版社.
Chicago Style (17th ed.) Citation龚勋. 国家地理百科全书: China National Geography. 汕头大学出版社, 2012.
MLA (8th ed.) Citation龚勋. 国家地理百科全书: China National Geography. 汕头大学出版社, 2012.
Warning: These citations may not always be 100% accurate.