APA ציטוט

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

Chicago Style (17th ed.) Citation

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

ציטוט MLA

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