Gaya APA

I, G., W, P. (1975). handBokok of political science:Governmental Insttitutions and processes . London: Addison Wesley Publishing Company.

Gaya MLA

I, Greenstein,Fred., W, Polsby,Nelson. "handBokok of political science:Governmental Insttitutions and processes". London: Addison Wesley Publishing Company, 1975. .