Gaya APA

Cooper, D, R., Schindler, P, S. (2008). BUSINESS RESEARCH METHODS+CD (10th). New York: MCGRAW-HILL.

Gaya MLA

Cooper, Donald, R.., Schindler, Pamela, S.. "BUSINESS RESEARCH METHODS+CD". 10th New York: MCGRAW-HILL, 2008. Text.