Adams, W., & Gray, H. M. (1955). Monopoly in America: The government as promoter. Macmillan.
Cita Chicago (17th ed.)Adams, Walter, i Horace M. Gray. Monopoly in America: The Government as Promoter. New York: Macmillan, 1955.
Cita MLA (9th ed.)Adams, Walter, i Horace M. Gray. Monopoly in America: The Government as Promoter. Macmillan, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.