Cita APA (7th ed.)
Helen Dwight Reid Educational Foundation. (1990). Perspectives on political science. Heldref Publications.
Cita Chicago (17th ed.)
Helen Dwight Reid Educational Foundation. Perspectives on Political Science. Washington, D.C.: Heldref Publications, 1990.
Cita MLA (9th ed.)
Helen Dwight Reid Educational Foundation. Perspectives on Political Science. Heldref Publications, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.