Gaya APA

Cooper, Donald R.. (2014). Busines Research Methods (12th Edition). : McGraw-Hill Education.

Gaya Chicago

Cooper, Donald R.. Busines Research Methods. 12th Edition : McGraw-Hill Education, 2014. .

Gaya MLA

Cooper, Donald R.. Busines Research Methods. 12th Edition : McGraw-Hill Education, 2014. .

Gaya Turabian

Cooper, Donald R.. Busines Research Methods. 12th Edition : McGraw-Hill Education, 2014. .