Παραπομπή APA

Levy, F. D., & Sufrin, S. C. (1973). Basic economics: Analysis of contemporary problems and policies. New York: Harper & Row publishers.

Παραπομπή Chicago Style

Levy, Fred D., and Sidney C. Sufrin. Basic Economics: Analysis of Contemporary Problems and Policies. New York: Harper & Row publishers, 1973.

Παραπομπή MLA

Levy, Fred D., and Sidney C. Sufrin. Basic Economics: Analysis of Contemporary Problems and Policies. New York: Harper & Row publishers, 1973.

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