Style de citation APA (7e éd.)

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

Style de citation Chicago (17e éd.)

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

Style de citation MLA (9e éd.)

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