Hemstock, H. F., Kanzer, E. M., & Schaaf, W. L. (1973). Essentials of business arithmetic (4th ed.). Redwood Press Limited.
芝加哥风格引文Hemstock, H. F., Edward Miller Kanzer, 与 William L. Schaaf. Essentials of Business Arithmetic. 4th ed. Great Britain.: Redwood Press Limited, 1973.
MLA引文Hemstock, H. F., et al. Essentials of Business Arithmetic. 4th ed. Redwood Press Limited, 1973.
警告：这些引文格式不一定是100％准确.