Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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