Lipsey, R. G., & Steiner, P. O. (1969). ECONOMICS (2nd edition.). Harper & Row.
Cita Chicago Style (17a ed.)Lipsey, Richard G., y Peter O. Steiner. ECONOMICS. 2nd edition. New York: Harper & Row, 1969.
Cita MLA (8a ed.)Lipsey, Richard G., y Peter O. Steiner. ECONOMICS. 2nd edition. Harper & Row, 1969.
Precaución: Estas citas no son 100% exactas.