Παραπομπή APA

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.

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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