Stumm, D. A. (1985). The new sales manager's survival guide. National Book Store.
芝加哥风格引文Stumm, David A. The New Sales Manager's Survival Guide. Manila: National Book Store, 1985.
MLA引文Stumm, David A. The New Sales Manager's Survival Guide. National Book Store, 1985.
警告：这些引文格式不一定是100％准确.