Gschwandtner, G. (2007). The psychology of sales success: Learn to think like your customer to close every sale. New York: McGraw-Hill.
Style de citation ChicagoGschwandtner, Gerhard. The Psychology of Sales Success: Learn to Think Like Your Customer to Close Every Sale. New York: McGraw-Hill, 2007.
Style de citation MLAGschwandtner, Gerhard. The Psychology of Sales Success: Learn to Think Like Your Customer to Close Every Sale. New York: McGraw-Hill, 2007.
Attention : ces citations peuvent ne pas être correctes à 100%.