Gaya APA

Marston, C. (2011). Generational Selling Tactics That Work : Quick and Dirty Secrets for Selling to Any Age Group . New Jersey: John Wiley & Sons, Inc..

Gaya MLA

Marston, Cam. "Generational Selling Tactics That Work : Quick and Dirty Secrets for Selling to Any Age Group". New Jersey: John Wiley & Sons, Inc., 2011. TEXT.