APA-ийн эшлэл(7 дахь хэвлэлт)

Cooper, D. R., & Emory, C. W. (1995). Business Research Methods (5th ed.). Irwin.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Cooper, Donald R., ба C. William Emory. Business Research Methods. 5th ed. Chicago: Irwin, 1995.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Cooper, Donald R., ба C. William Emory. Business Research Methods. 5th ed. Irwin, 1995.