APA引文

Theobald, W. F. (2004). Global tourism. Amsterdam: Elsevier.

Trích dẫn kiểu Chicago

Theobald, William F. Global Tourism. Amsterdam: Elsevier, 2004.

MLA引文

Theobald, William F. Global Tourism. Amsterdam: Elsevier, 2004.

警告：这些引文格式不一定是100％准确.