APA-ийн эшлэл(7 дахь хэвлэлт)

COOPER DONALD R. (2008). BUSINESS RESEARCH METHODS [WITH CD] (9TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

COOPER DONALD R. BUSINESS RESEARCH METHODS [WITH CD]. 9TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.

MLA -ийн эшлэл (9 дэх хэвлэлт)

COOPER DONALD R. BUSINESS RESEARCH METHODS [WITH CD]. 9TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.