APA način citiranja

Gregg, P. M. (1976). Problems of Theory in Policy Analysis. Lexington Books.

Čikaški stil citiranja

Gregg, Phillip M. Problems of Theory in Policy Analysis. Toronto: Lexington Books, 1976.

MLA način citiranja

Gregg, Phillip M. Problems of Theory in Policy Analysis. Lexington Books, 1976.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.