Gaya APA

Marston, C. (2012). Generational Selling Tactics That Work : Quick and Dirty Secrets For Selling to Any Age Group (-). New Jersey: wiley publishing.

Gaya MLA

Marston, Cam. "Generational Selling Tactics That Work : Quick and Dirty Secrets For Selling to Any Age Group". - New Jersey: wiley publishing, 2012. Text.