Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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