APA aipamena

Helen Dwight Reid Educational Foundation. (1990). Perspectives on political science. Heldref Publications.

Chicago Style aipamena

Helen Dwight Reid Educational Foundation. Perspectives on Political Science. Washington, D.C.: Heldref Publications, 1990.

MLA aipamena

Helen Dwight Reid Educational Foundation. Perspectives on Political Science. Heldref Publications, 1990.