Gaya APA

Levy, P, E. (2006). Industrial/Organizational Psychology : Understanding the Workplace 2'nd Ed. (2). Boston: Houghton Mifflin Company.

Gaya MLA

Levy, Paul, E.. "Industrial/Organizational Psychology : Understanding the Workplace 2'nd Ed.". 2 Boston: Houghton Mifflin Company, 2006. Text.