An Empirical Investigation of the Information Sources Used during the Industrial Buying Process
通过实证方法调查了企业在工业采购过程中使用的信息源类型，对营销人员和采购研究者有参考价值。
Rowland T. Moriarty, Jr., Robert E. Spekman, An Empirical Investigation of the Information Sources Used during the Industrial Buying Process, Journal of Marketing Research, Vol. 21, No. 2 (May, 1984), pp. 137-147