Cita APA (7a ed.)

COOK SARAH. (1997). CUSTOMER CARE (2ND.). KOGAN PAGE.

Cita Chicago Style (17a ed.)

COOK SARAH. CUSTOMER CARE. 2ND. LONDON: KOGAN PAGE, 1997.

Cita MLA (9a ed.)

COOK SARAH. CUSTOMER CARE. 2ND. KOGAN PAGE, 1997.