Gaya APA

Cooper, Donald R.. (2006). Business research methods (ed. 9). New York: McGraaw Hill.

Gaya Chicago

Cooper, Donald R.. Business research methods. ed. 9 New York: McGraaw Hill, 2006. Textbook.

Gaya MLA

Cooper, Donald R.. Business research methods. ed. 9 New York: McGraaw Hill, 2006. Textbook.

Gaya Turabian

Cooper, Donald R.. Business research methods. ed. 9 New York: McGraaw Hill, 2006. Textbook.