APA-Zitierstil (7. Ausg.)

Abbott, J. C. (2004). The executive guide to call center metrics (2. print.). Smith Publ.

Chicago-Zitierstil (17. Ausg.)

Abbott, James C. The Executive Guide to Call Center Metrics. 2. print. Greenville, SC: Smith Publ, 2004.

MLA-Zitierstil (9. Ausg.)

Abbott, James C. The Executive Guide to Call Center Metrics. 2. print. Smith Publ, 2004.