Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.