Blackman, J. (2004). Stop whining! Start selling!: Profit-producing strategies for explosive sales results. Hoboken, N.J: Wiley.
Style de citation ChicagoBlackman, Jeff. Stop Whining! Start Selling!: Profit-producing Strategies for Explosive Sales Results. Hoboken, N.J: Wiley, 2004.
Style de citation MLABlackman, Jeff. Stop Whining! Start Selling!: Profit-producing Strategies for Explosive Sales Results. Hoboken, N.J: Wiley, 2004.
Attention : ces citations peuvent ne pas être correctes à 100%.