Cita APA (7th ed.)

LIPSEY, R. G. (1981). Economics. Harper and Row.

Cita Chicago (17th ed.)

LIPSEY, Richard G. Economics. New York: Harper and Row, 1981.

Cita MLA (9th ed.)

LIPSEY, Richard G. Economics. Harper and Row, 1981.

Atenció: Aquestes cites poden no estar 100% correctes.