APA引文

Purkitt, H. E. (1996). World politics 96/97. Dushkin Pub. Group.

芝加哥风格引文

Purkitt, Helen E. World Politics 96/97. Guilford, Conn.: Dushkin Pub. Group, 1996.

MLA引文

Purkitt, Helen E. World Politics 96/97. Dushkin Pub. Group, 1996.

警告：这些引文格式不一定是100％准确.