Robbins, S. P. (1999). Management (6th ed.). Prentice hall.
Cita Chicago (17th ed.)Robbins, Stephen P. Management. 6th ed. New Jersey: Prentice hall, 1999.
Cita MLA (9th ed.)Robbins, Stephen P. Management. 6th ed. Prentice hall, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.