APA aipamena

Sherrill, R., & Barber, J. D. (1972). Why they call it politics: A guide to America's government. New York: Harcourt Brace Jovanovich.

Chicago Style aipamena

Sherrill, Robert., và James David Barber. Why They Call It Politics: A Guide to America's Government. New York: Harcourt Brace Jovanovich, 1972.

MLA aipamena

Sherrill, Robert., và James David Barber. Why They Call It Politics: A Guide to America's Government. New York: Harcourt Brace Jovanovich, 1972.