Lipsey Richard G. & Chrystal K. Alec. (1995). An introduction to positive economics (8th ed.). Oxford University Press.
Chicago Style (17th ed.) CitationLipsey Richard G. and Chrystal K. Alec. An Introduction to Positive Economics. 8th ed. Oxford University Press, 1995.
MLA (8th ed.) CitationLipsey Richard G. and Chrystal K. Alec. An Introduction to Positive Economics. 8th ed. Oxford University Press, 1995.
Warning: These citations may not always be 100% accurate.