Citazione Stile APA (7a Edizione)

STILL, R. (2011). SALES MANAGEMENT (5TH.). PEARSON EDUCATION.

Citazione stile Chigago Style (17a edizione)

STILL, RICHARD. SALES MANAGEMENT. 5TH. NEW DELHI: PEARSON EDUCATION, 2011.

Citatione MLA (9a ed.)

STILL, RICHARD. SALES MANAGEMENT. 5TH. PEARSON EDUCATION, 2011.