LEWIS, J. P. (1959). An introduction to mathematics: For students of economics. Macmillan.
Chicago Style (17. basım) AtıfLEWIS, J. Parry. An Introduction to Mathematics: For Students of Economics. London: Macmillan, 1959.
MLA (9th ed.) AtıfLEWIS, J. Parry. An Introduction to Mathematics: For Students of Economics. Macmillan, 1959.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..