Lewis, J. P. (1969). An introduction to mathematics for students of economics (2nd ed.). Macmillan.
Chicago Style (17th ed.) CitationLewis, John Parry. An Introduction to Mathematics for Students of Economics. 2nd ed. London: Macmillan, 1969.
MLA (9th ed.) CitationLewis, John Parry. An Introduction to Mathematics for Students of Economics. 2nd ed. Macmillan, 1969.