Gaya APA

CUMMINGS, J, C., Wise, D. (1981). DEMOCRACY UNDER PRESSURE:An Introduction to The American Political System . New York: Harcourt Brace Jovanovich,Inc.

Gaya MLA

CUMMINGS, Jr.Milton, C.., Wise, David. "DEMOCRACY UNDER PRESSURE:An Introduction to The American Political System". New York: Harcourt Brace Jovanovich,Inc, 1981. Textbook.