Abramson, A. G. a. . M. (1956). Business Forecasting in Practice Principles and Cases (1956.). John Wiley & Sons, Inc..
استشهاد بنمط شيكاغوAbramson, Adolph G and Mack. Business Forecasting in Practice Principles and Cases. 1956. New York: John Wiley & Sons, Inc., 1956.
MLA استشهادAbramson, Adolph G and Mack. Business Forecasting in Practice Principles and Cases. 1956. John Wiley & Sons, Inc., 1956.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.