Gardner, F. V. (1955). Profit management and control. McGraw-Hill.
Cita Chicago (17th ed.)Gardner, Fred V. Profit Management and Control. New York: McGraw-Hill, 1955.
Cita MLA (9th ed.)Gardner, Fred V. Profit Management and Control. McGraw-Hill, 1955.
Atenció: Aquestes cites poden no estar 100% correctes.