APA-ийн эшлэл(7 дахь хэвлэлт)

Amacher, R. C., & Ulbrich, H. H. (1995). Economic principles & policy (6th ed.). South-Western College.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Amacher, Ryan C., ба Holley H. Ulbrich. Economic Principles & Policy. 6th ed. Cincinnati: South-Western College, 1995.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Amacher, Ryan C., ба Holley H. Ulbrich. Economic Principles & Policy. 6th ed. South-Western College, 1995.