APA (7 ম সংস্করণ) উদ্ধৃতি

Brecht,Arnold. (1959). Political theory: The foundations of twentieth-century political thought. Princeton University Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Brecht,Arnold. Political Theory: The Foundations of Twentieth-century Political Thought. Princeton University Press, 1959.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Brecht,Arnold. Political Theory: The Foundations of Twentieth-century Political Thought. Princeton University Press, 1959.