APA-ийн эшлэл(7 дахь хэвлэлт)

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

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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

MLA -ийн эшлэл (9 дэх хэвлэлт)

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