APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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