Ramo, S., & Sugar, R. (2009). Strategic business forecasting: A structured approach to shaping the future of your business. McGraw-Hill.
Chicago Style (17. basım) AtıfRamo, Simon, ve Ronald Sugar. Strategic Business Forecasting: A Structured Approach to Shaping the Future of Your Business. New York: McGraw-Hill, 2009.
MLA (9th ed.) AtıfRamo, Simon, ve Ronald Sugar. Strategic Business Forecasting: A Structured Approach to Shaping the Future of Your Business. McGraw-Hill, 2009.
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