Cita APA (7th ed.)

Amacher, R. C., & Ulbrich, H. H. (1995). Microeconomic principles & policies (6th ed.). South-Western College Pub.

Cita Chicago (17th ed.)

Amacher, Ryan C., i Holley H. Ulbrich. Microeconomic Principles & Policies. 6th ed. Cincinnati, Ohio: South-Western College Pub, 1995.

Cita MLA (9th ed.)

Amacher, Ryan C., i Holley H. Ulbrich. Microeconomic Principles & Policies. 6th ed. South-Western College Pub, 1995.