Gaya APA

Heidenheimer, A, J. et al (1975). Comparative Public Policy: The Politics of Social Choice in Europe and America . : St. Martin's.Ney York.

Gaya MLA

Heidenheimer, Arnold, J.. et al. "Comparative Public Policy: The Politics of Social Choice in Europe and America". : St. Martin's.Ney York, 1975. Koleksi Elektronik.