Marston, C. (2011). Generational selling tactics that work: Quick and dirty secrets for selling to any age group. Hoboken, New Jersey: John Wiley and Sons.
Dyfyniad Arddull ChicagoMarston, Cam. Generational Selling Tactics That Work: Quick and Dirty Secrets for Selling to Any Age Group. Hoboken, New Jersey: John Wiley and Sons, 2011.
Dyfyniad MLAMarston, Cam. Generational Selling Tactics That Work: Quick and Dirty Secrets for Selling to Any Age Group. Hoboken, New Jersey: John Wiley and Sons, 2011.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.