Henderson, J. V. (1991). Principles of economics. D.C. Health.
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Chicago Style (17th ed.) Citation
Henderson, J Vernon. Principles of Economics. Massachusetts: D.C. Health, 1991.
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MLA引文
Henderson, J Vernon. Principles of Economics. D.C. Health, 1991.
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警告：這些引文格式不一定是100％准確.