Lipsey, R. G. (1979). Introduction to positive economics (4.). English language book society and pitman books Ltd.
Chicago Edition CitationLipsey, R G. Introduction to Positive Economics. 4. London: English language book society and pitman books Ltd, 1979.
MLA Edition CitationLipsey, R G. Introduction to Positive Economics. 4. English language book society and pitman books Ltd, 1979.
Warning: These citations may not always be 100% accurate.