Hellriegel, D., Jackson, S. E., & Slocum, J. W. (1999). Management (8th ed.). South-Western College Pub..
Citazione stile Chigago Style (17a edizione)Hellriegel, Don, Susan E. Jackson, e John W. Slocum. Management. 8th ed. Cincinnati, Ohio: South-Western College Pub., 1999.
Citatione MLA (9a ed.)Hellriegel, Don, et al. Management. 8th ed. South-Western College Pub., 1999.