AMACHER, R. C. (1986). Princeples Of Microeconomics Ryan C. Amacher And Holley H. Ulbrich. South-Western Publishing CO.
Chicago-referens (17:e uppl.)AMACHER, Ryan C. Princeples Of Microeconomics Ryan C. Amacher And Holley H. Ulbrich. South-Western Publishing CO, 1986.
MLA-referens (8:e uppl.)AMACHER, Ryan C. Princeples Of Microeconomics Ryan C. Amacher And Holley H. Ulbrich. South-Western Publishing CO, 1986.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.