Raper, C. L. (1906). The principles of wealth and welfare: Economics for high schools. The Macmillan Company.
Cita Chicago Style (17a ed.)Raper, Charles Lee.. The Principles of Wealth and Welfare: Economics for High Schools. New York: The Macmillan Company, 1906.
Cita MLA (9a ed.)Raper, Charles Lee.. The Principles of Wealth and Welfare: Economics for High Schools. The Macmillan Company, 1906.
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