Panas, J. (2012). Supremely successful selling: Discovering the magic ingredient. Wiley.
Cita Chicago (17th ed.)Panas, Jerold. Supremely Successful Selling: Discovering the Magic Ingredient. Hoboken, NJ: Wiley, 2012.
Cita MLA (9th ed.)Panas, Jerold. Supremely Successful Selling: Discovering the Magic Ingredient. Wiley, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.