Gaya APA

Bach, G, L. (1960). Economics: an introduction to analysis and policy (Ed. 3). Englewood Cliffs NJ: Prentice-Hall.Inc,.

Gaya MLA

Bach, George, Leland. "Economics: an introduction to analysis and policy". Ed. 3 Englewood Cliffs NJ: Prentice-Hall.Inc,, 1960. Text.