WebLibNetLipsey, R. G. (1999). Principles of economics (9 Ed.). Oxford: Oxford University Press.
Chicago Style CitationLipsey, Richard G. Principles of Economics. 9 Ed. Oxford: Oxford University Press, 1999.
MLA CitationLipsey, Richard G. Principles of Economics. 9 Ed. Oxford: Oxford University Press, 1999.
Warning: These citations may not always be 100% accurate.