DE GRAZIA, A. (1962). Political organization: Rev. ed. The Free Press.
Chicago Style (17th ed.) ZitazioaDE GRAZIA, Alfred. Political Organization: Rev. Ed. New York: The Free Press, 1962.
MLA (9th ed.) ZitazioaDE GRAZIA, Alfred. Political Organization: Rev. Ed. The Free Press, 1962.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.