King, G. Secrets of Selling: How to win in any sales situation (2.). Pearson Education UK.
Cita Chicago (17th ed.)King, Geoff. Secrets of Selling: How to Win in Any Sales Situation. 2. Pearson Education UK.
Cita MLA (8th ed.)King, Geoff. Secrets of Selling: How to Win in Any Sales Situation. 2. Pearson Education UK.
Atenció: Aquestes cites poden no estar 100% correctes.