Tohutoro APA (7th ed.)
truett, L. J., & Truett, D. B. (1987). Economics. Times Mirror College.
Tohutoru Kātū Chicago (17th ed.)
truett, Lila J., me Dale B. Truett. Economics. St Louis: Times Mirror College, 1987.
Tohutoro MLA (9th ed.)
truett, Lila J., me Dale B. Truett. Economics. Times Mirror College, 1987.
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