Mayer, D., Warner, D., Siedel, G. J., & Lieberman, J. K. (2012). Introduction to Contracts, Sales and Product Liability. Saylor Foundation.
Chicago Style (17. basım) AtıfMayer, Don, Daniel Warner, George J. Siedel, ve Jethro K. Lieberman. Introduction to Contracts, Sales and Product Liability. [Place of publication not identified]: Saylor Foundation, 2012.
MLA (9th ed.) AtıfMayer, Don, et al. Introduction to Contracts, Sales and Product Liability. Saylor Foundation, 2012.
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