Lua APA (7ú heag.)
Anton, J., & Gustin, D. (2000). Call center benchmarking: How good is "good enough". Ichor Business Books/Purdue University Press.
Lua i Stíl Chicago (17ú heag.)
Anton, Jon, agus David Gustin. Call Center Benchmarking: How Good Is "Good Enough". West Lafayette, Ind.: Ichor Business Books/Purdue University Press, 2000.
Lua MLA (9ú heag.)
Anton, Jon, agus David Gustin. Call Center Benchmarking: How Good Is "Good Enough". Ichor Business Books/Purdue University Press, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.