APA-Zitierstil (7. Ausg.)

Sharp, D. E. (2003). Call Center operation: Design, operation, and maintenance. Digital Press.

Chicago-Zitierstil (17. Ausg.)

Sharp, Duane E. Call Center Operation: Design, Operation, and Maintenance. Amsterdam [u.a.]: Digital Press, 2003.

MLA-Zitierstil (9. Ausg.)

Sharp, Duane E. Call Center Operation: Design, Operation, and Maintenance. Digital Press, 2003.