MLA

Brennan, Bridget. Why She Buys : the New Strategy for Reaching the World's Mort Powerful Consumers. New York: Crown Business, 2011.

APA

Brennan, B. (2011). Why she buys : the new strategy for reaching the world's mort powerful consumers. New York: Crown Business.

Chicago

Brennan, Bridget, Why She Buys: The New Strategy for Reaching the World's Mort Powerful Consumers. New York: Crown Business, 2011.