Lewis, C. D. (1981). Scientific inventory control (2nd ed.). Butterworths.
Chicago Style aipamenaLewis, C. D. Scientific Inventory Control. 2nd ed. London: Butterworths, 1981.
MLA aipamenaLewis, C. D. Scientific Inventory Control. 2nd ed. Butterworths, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.