Slensinger, R. E., & Issacs Asher. (1968). Buisness Goverment and Public Policy (2nd ed.). Van Nostrand Reinhold Company.
استشهاد بنمط شيكاغوSlensinger, Reuben E., و Issacs Asher. Buisness Goverment and Public Policy. 2nd ed. New Jersey: Van Nostrand Reinhold Company, 1968.
MLA استشهادSlensinger, Reuben E., و Issacs Asher. Buisness Goverment and Public Policy. 2nd ed. Van Nostrand Reinhold Company, 1968.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.