McDonald, N. A. (1955). The study of political parties. Random House.
Cita Chicago (17th ed.)McDonald, Neil A. The Study of Political Parties. Nueva York: Random House, 1955.
Cita MLA (9th ed.)McDonald, Neil A. The Study of Political Parties. Random House, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.