APA-ийн эшлэл(7 дахь хэвлэлт)

Walstad, W. B., & Bingham, R. C. (1993). Study guide to accompany McConnell and Brue economics (12th ed.). McGraw - hill.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Walstad, William B., ба Robert C. Bingham. Study Guide to Accompany McConnell and Brue Economics. 12th ed. New York: McGraw - hill, 1993.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Walstad, William B., ба Robert C. Bingham. Study Guide to Accompany McConnell and Brue Economics. 12th ed. McGraw - hill, 1993.