APA引文

Cochran, C. E. (1990). American public policy: An introduction (3rd ed.). St. Martin's Press.

Chicago Style (17th ed.) Citation

Cochran, Clarke E. American Public Policy: An Introduction. 3rd ed. New York, NY: St. Martin's Press, 1990.

MLA引文

Cochran, Clarke E. American Public Policy: An Introduction. 3rd ed. St. Martin's Press, 1990.