Gaya APA

Kerpen, D. (2013). Likeable Bussiness : Why Today's Consumers Demand More and How Leaders Can Deliver . United State of America: Mc Graw Hill Companies Inc..

Gaya MLA

Kerpen, Dave. "Likeable Bussiness : Why Today's Consumers Demand More and How Leaders Can Deliver". United State of America: Mc Graw Hill Companies Inc., 2013. Text.