APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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