1. Competitive Strategy—Techniques for Analyzing Industries and Competitors, The Free Press, New York, 1980.
2. Competitive Advantage—Creating and Sustaining Superior Performance, The Free Press, New York, 1985.
3. Production and operations management
4. „Identification and Prioritization of Researchable Questions in Agricultural Economics,” a report prepared by Davan Consulting International under sponsorship of the Cooperative State Research Service, US Department of Agriculture, Englewood, CO, December 15, 1987.
5. and , A Concept of Agribusiness, Graduate School of Business Administration, Harvard University, Boston, MA, 1957, p. 1.