Robbins, S. P., & DeCenzo, D. A. (2001). Fundamentals of management: Essential concepts and applications (3rd ed.). Prentice Hall, ; Pearson Education.

Robbins, Stephen P., and David A. DeCenzo. Fundamentals of Management: Essential Concepts and Applications. 3rd ed. Upper Saddle River, N.J. : Delhi: Prentice Hall, ; Pearson Education, 2001.

Robbins, Stephen P., and David A. DeCenzo. Fundamentals of Management: Essential Concepts and Applications. 3rd ed. Prentice Hall, ; Pearson Education, 2001.