APA引文

Pettijohn, T. F. (1994). Sources. Dushkin Pub. Group.

Chicago Style (17th ed.) Citation

Pettijohn, Terry F. Sources. Guilford, Conn.: Dushkin Pub. Group, 1994.

MLA引文

Pettijohn, Terry F. Sources. Dushkin Pub. Group, 1994.

警告：這些引文格式不一定是100％准確.