Beach, D. S. (1980). The management of people at work (5ª ed.). Macmillan.
Cita Chicago (17th ed.)Beach, Dale S. The Management of People at Work. 5ª ed. Macmillan, 1980.
Cita MLA (9th ed.)Beach, Dale S. The Management of People at Work. 5ª ed. Macmillan, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.