Gaya APA

HEIDENHEIMER, A, J., HECLO, H. (1987). Comparative public policy (Ed. 3). New York: St. Martins Press.

Gaya MLA

HEIDENHEIMER, Arnold, J., HECLO, Hugh. "Comparative public policy". Ed. 3 New York: St. Martins Press, 1987. Buku.