Heilbroner, R. L., & Ford, A. M. (1971). Is economics relevant?: A reader in political economics. Goodyear Publishing Company.
Tohutoru Kātū Chicago (17th ed.)Heilbroner, Robert L., me Arthur M. Ford. Is Economics Relevant?: A Reader in Political Economics. Pacific Palisades: Goodyear Publishing Company, 1971.
Tohutoro MLA (9th ed.)Heilbroner, Robert L., me Arthur M. Ford. Is Economics Relevant?: A Reader in Political Economics. Goodyear Publishing Company, 1971.
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