APA (7th ed.) Zitazioa

BLUHM, W. T. (1965). Theories of the political system: Classics of political thought & modern political analysis. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

BLUHM, William T. Theories of the Political System: Classics of Political Thought & Modern Political Analysis. Englewood Cliffs: Prentice-Hall, 1965.

MLA (9th ed.) Zitazioa

BLUHM, William T. Theories of the Political System: Classics of Political Thought & Modern Political Analysis. Prentice-Hall, 1965.