Ingram, T. N. L. (2002). Sales managemet analysis and decision making.
استشهاد بنمط شيكاغوIngram, Thomas N; Lafore. Sales Managemet Analysis and Decision Making. South-Western, 2002.
MLA استشهادIngram, Thomas N; Lafore. Sales Managemet Analysis and Decision Making. 2002.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.