Citazione Stile APA (7a Edizione)

Cooper, D. (2006). BUSINESS RESEARCH METHODS (9th.). McGraw Hill.

Citazione stile Chigago Style (17a edizione)

Cooper, Donald. BUSINESS RESEARCH METHODS. 9th. New Delhi: McGraw Hill, 2006.

Citatione MLA (9a ed.)

Cooper, Donald. BUSINESS RESEARCH METHODS. 9th. McGraw Hill, 2006.