APA (7e ed.) Bronvermelding

Raper, C. L. (1906). The principles of wealth and welfare: Economics for high schools. The Macmillan Company.

Chicago (17e ed.) Bronvermelding

Raper, Charles Lee.. The Principles of Wealth and Welfare: Economics for High Schools. New York: The Macmillan Company, 1906.

MLA (9e ed.) Bronvermelding

Raper, Charles Lee.. The Principles of Wealth and Welfare: Economics for High Schools. The Macmillan Company, 1906.