APA引文

Pitzl, G. R. (2003). Geography 03/04. Guilford: McGraw-Hill/Dushkin.

Trích dẫn kiểu Chicago

Pitzl, Gerald R. Geography 03/04. Guilford: McGraw-Hill/Dushkin, 2003.

MLA引文

Pitzl, Gerald R. Geography 03/04. Guilford: McGraw-Hill/Dushkin, 2003.

警告:这些引文格式不一定是100%准确.