Day, G. S. (1980). Strategic market analysis: Top-down and bottom-up approaches. Marketing Science Institute.
Chicago Style (17. basım) AtıfDay, George S. Strategic Market Analysis: Top-down and Bottom-up Approaches. Cambridge, Mass.: Marketing Science Institute, 1980.
MLA (8th ed.) AtıfDay, George S. Strategic Market Analysis: Top-down and Bottom-up Approaches. Marketing Science Institute, 1980.
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