Cita APA (7a ed.)

KATZ BERNARD. (1987). HOW TO TURN CUSTOMER SERVICE IN TO CUSTOMER SALES. WILDWOOD HOUSE LTD.

Cita Chicago Style (17a ed.)

KATZ BERNARD. HOW TO TURN CUSTOMER SERVICE IN TO CUSTOMER SALES. ENGLAND: WILDWOOD HOUSE LTD, 1987.

Cita MLA (9a ed.)

KATZ BERNARD. HOW TO TURN CUSTOMER SERVICE IN TO CUSTOMER SALES. WILDWOOD HOUSE LTD, 1987.