Robbins, S. P., & Coulter, M. K. (1999). Management (6th ed.). Prentice Hall.
Lua i Stíl Chicago (17ú heag.)Robbins, Stephen P., agus Mary K. Coulter. Management. 6th ed. Upper Saddle River, N.J: Prentice Hall, 1999.
Lua MLA (9ú heag.)Robbins, Stephen P., agus Mary K. Coulter. Management. 6th ed. Prentice Hall, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.