Raper, C. L. (1906). The principles of wealth and welfare: Economics for high schools. The Macmillan Company.
Čikaški stil citiranja (17. izdanje)Raper, Charles Lee.. The Principles of Wealth and Welfare: Economics for High Schools. New York: The Macmillan Company, 1906.
MLA način citiranja (9. izdanje)Raper, Charles Lee.. The Principles of Wealth and Welfare: Economics for High Schools. The Macmillan Company, 1906.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.