(1957). Theory and Practice of Modern Government (Revised ed.). Henry Holt and Company.
Cita Chicago (17th ed.)Theory and Practice of Modern Government. Revised ed. USA: Henry Holt and Company, 1957.
Cita MLA (9th ed.)Theory and Practice of Modern Government. Revised ed. Henry Holt and Company, 1957.
Atenció: Aquestes cites poden no estar 100% correctes.