Hellriegel, D., Jackson, S. E., & Slocum, J. W. (1999). Management (8th ed.). South-Western College Pub..
Cytowanie według stylu Chicago (wyd. 17)Hellriegel, Don, Susan E. Jackson, i John W. Slocum. Management. 8th ed. Cincinnati, Ohio: South-Western College Pub., 1999.
Cytowanie według stylu MLA (wyd. 9)Hellriegel, Don, et al. Management. 8th ed. South-Western College Pub., 1999.