Dyfyniad APA

COOPER, D. R. (2003). Business research methods/Donald R. Cooper. McGraw-Hill.

Dyfyniad Arddull Chicago

COOPER, Donald R. Business Research Methods/Donald R. Cooper. McGraw-Hill, 2003.

Dyfyniad MLA

COOPER, Donald R. Business Research Methods/Donald R. Cooper. McGraw-Hill, 2003.

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