Cita APA (7a ed.)

Zeller, D. (2008). Telephone sales for dummies. Wiley.

Cita Chicago Style (17a ed.)

Zeller, Dirk. Telephone Sales for Dummies. Hoboken, NJ: Wiley, 2008.

Cita MLA (9a ed.)

Zeller, Dirk. Telephone Sales for Dummies. Wiley, 2008.