Harris, R., & Lees, D. S. (1965). Freedom or free-for-alln: Essays in welfare, trade, and choice. Institute of Economic Affairs.
Chicago Style (17. basım) AtıfHarris, Ralph, ve Dennis S. Lees. Freedom or Free-for-alln: Essays in Welfare, Trade, and Choice. [London]: Institute of Economic Affairs, 1965.
MLA (9th ed.) AtıfHarris, Ralph, ve Dennis S. Lees. Freedom or Free-for-alln: Essays in Welfare, Trade, and Choice. Institute of Economic Affairs, 1965.
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