APA-ийн эшлэл(7 дахь хэвлэлт)

COOPER, D. R., & SCHINDLER, P. S. (2011). Business research methods. McGraw-Hill Book Company.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

COOPER, Donald R., ба Pamela S. SCHINDLER. Business Research Methods. McGraw-Hill Book Company, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

COOPER, Donald R., ба Pamela S. SCHINDLER. Business Research Methods. McGraw-Hill Book Company, 2011.