APA (7 ম সংস্করণ) উদ্ধৃতি

Michels , R. (1966). Political parties: A social-ogical study of the oligarchic al tendencies of modern democracy. Free Press.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Michels , Robert. Political Parties: A Social-ogical Study of the Oligarchic Al Tendencies of Modern Democracy. New York: Free Press, 1966.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Michels , Robert. Political Parties: A Social-ogical Study of the Oligarchic Al Tendencies of Modern Democracy. Free Press, 1966.