Cita APA (7a ed.)

WATKINS CHARLEY. (2002). MARKETING SALES AND CUSTOMER SERVICES. AITBS PUBLICATION.

Cita Chicago Style (17a ed.)

WATKINS CHARLEY. MARKETING SALES AND CUSTOMER SERVICES. NEW DELHI: AITBS PUBLICATION, 2002.

Cita MLA (9a ed.)

WATKINS CHARLEY. MARKETING SALES AND CUSTOMER SERVICES. AITBS PUBLICATION, 2002.