Clark, J. B. (1967). The philosophy of wealth: Economic principles newly formulated. A. M. Kelley Publishers.
Citace podle Chicago (17th ed.)Clark, John Bates. The Philosophy of Wealth: Economic Principles Newly Formulated. New York: A. M. Kelley Publishers, 1967.
Citace podle MLA (9th ed.)Clark, John Bates. The Philosophy of Wealth: Economic Principles Newly Formulated. A. M. Kelley Publishers, 1967.
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