Feltenstein, T. (2005). 401 killer marketing tactics to increase sales, maximize profits, and stomp your competition. New York: McGraw-Hill.
Dyfyniad Arddull ChicagoFeltenstein, Tom. 401 Killer Marketing Tactics to Increase Sales, Maximize Profits, and Stomp Your Competition. New York: McGraw-Hill, 2005.
Dyfyniad MLAFeltenstein, Tom. 401 Killer Marketing Tactics to Increase Sales, Maximize Profits, and Stomp Your Competition. New York: McGraw-Hill, 2005.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.