Levin, R. I. (1978). Quantitative approaches to management (4th ed.). National Book Store.
芝加哥风格引文Levin, Richard I. Quantitative Approaches to Management. 4th ed. Manila: National Book Store, 1978.
MLA引文Levin, Richard I. Quantitative Approaches to Management. 4th ed. National Book Store, 1978.
警告：这些引文格式不一定是100％准确.