APA ציטוט

龚勋. (2009). 狂野地球奥秘: Mysteries of earth. 云南教育出版社.

Chicago Style (17th ed.) Citation

龚勋. 狂野地球奥秘: Mysteries of Earth. 云南教育出版社, 2009.

ציטוט MLA

龚勋. 狂野地球奥秘: Mysteries of Earth. 云南教育出版社, 2009.