Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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