Cita APA (7th ed.)

SUITS, D. B. (1973). Principles of economics (2nd ed.). Harper & Row.

Cita Chicago (17th ed.)

SUITS, Daniel B. Principles of Economics. 2nd ed. New York: Harper & Row, 1973.

Cita MLA (9th ed.)

SUITS, Daniel B. Principles of Economics. 2nd ed. Harper & Row, 1973.