Slensinger, R. E., & Issacs Asher. (1968). Buisness Goverment and Public Policy (2nd ed.). Van Nostrand Reinhold Company.
Παραπομπή Chicago StyleSlensinger, Reuben E., και Issacs Asher. Buisness Goverment and Public Policy. 2nd ed. New Jersey: Van Nostrand Reinhold Company, 1968.
Παραπομπή MLASlensinger, Reuben E., και Issacs Asher. Buisness Goverment and Public Policy. 2nd ed. Van Nostrand Reinhold Company, 1968.
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