Cita APA (7a ed.)

ZEMKE RON. (2004). CUSTOMER SERVICE BEST PRACTICES. JAICO PUBLISHING HOUSE.

Cita Chicago Style (17a ed.)

ZEMKE RON. CUSTOMER SERVICE BEST PRACTICES. MUMBAI: JAICO PUBLISHING HOUSE, 2004.

Cita MLA (9a ed.)

ZEMKE RON. CUSTOMER SERVICE BEST PRACTICES. JAICO PUBLISHING HOUSE, 2004.