Crosby, J. V. (2000). Cycles, trends, and turning points: Practical marketing & sales forecasting techniques. NTC Business Books.
Styl cytowania ChicagoCrosby, John V. Cycles, Trends, and Turning Points: Practical Marketing & Sales Forecasting Techniques. Lincolnwood, IL: NTC Business Books, 2000.
Styl cytowania MLACrosby, John V. Cycles, Trends, and Turning Points: Practical Marketing & Sales Forecasting Techniques. NTC Business Books, 2000.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..