Amacher, R. C., & Ulbrich, H. H. (1995). Macroeconomics principles and policies (6th ed.). South-Western College Pub.
Chicago Style (17. basım) AtıfAmacher, Ryan C., ve Holley H. Ulbrich. Macroeconomics Principles and Policies. 6th ed. Cincinnati, Ohio: South-Western College Pub, 1995.
MLA (9th ed.) AtıfAmacher, Ryan C., ve Holley H. Ulbrich. Macroeconomics Principles and Policies. 6th ed. South-Western College Pub, 1995.
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