TANNER JOHN F. (2009). SALES MANAGEMENT. PEARSON.
Cita Chicago (17th ed.)TANNER JOHN F. SALES MANAGEMENT. DELHI: PEARSON, 2009.
Cita MLA (9th ed.)TANNER JOHN F. SALES MANAGEMENT. PEARSON, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.