APA (7th ed.) Zitazioa

Harphan, E. J. (1982). The political economy of public policy. Sage.

Chicago Style (17th ed.) Zitazioa

Harphan, Edward J. The Political Economy of Public Policy. Beverly Hills: Sage, 1982.

MLA (9th ed.) Zitazioa

Harphan, Edward J. The Political Economy of Public Policy. Sage, 1982.