APA (7. basım) Alıntı

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

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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