Gaya APA

Bittel, L, R. et al (1988). Business in action : an introduction to business (3rd.ed). New York: McGraw-Hill Bokk Co..

Gaya MLA

Bittel, Lester, R. et al. "Business in action : an introduction to business". 3rd.ed New York: McGraw-Hill Bokk Co., 1988. Text.