1. Kotler, P. (2015). Confronting Capitalism. New York: Amacom.
2. Baligh, H. H., & Richartz, L. E. (1967). Vertical Market Structures. Boston: Allyn and Bacon.
3. Jeuland, A. P., & Shugan, S. (1983). Managing Channel Profits. Marketing Science, 2(3), 239–272.
4. Coughlan, A. T. (1982). Vertical Integration Incentives in Marketing: Theory and Application to International Trade in the Semiconductor Industry. Dissertation. Stanford University.
5. Coughlan, A. T. (1985). Competition and Cooperation in Marketing Channel Choice: Theory and Application. Marketing Science, 4(2), 110–129.