Richtmeyer, C. C., & Foust, J. W. (1943). Business mathematics (2nd ed.). McGraw-Hill.
Chicago Style (17. basım) AtıfRichtmeyer, Cleon C., ve Judson W. Foust. Business Mathematics. 2nd ed. New York: McGraw-Hill, 1943.
MLA (9th ed.) AtıfRichtmeyer, Cleon C., ve Judson W. Foust. Business Mathematics. 2nd ed. McGraw-Hill, 1943.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..