King, G. Secrets of Selling: How to win in any sales situation (2.). Pearson Education UK.
Citación estilo ChicagoKing, Geoff. Secrets of Selling: How to Win in Any Sales Situation. 2. Pearson Education UK.
Cita MLAKing, Geoff. Secrets of Selling: How to Win in Any Sales Situation. 2. Pearson Education UK.
Warning: These citations may not always be 100% accurate.