Levin, M. R., & Shank, A. (1970). Educational investment in an urban society: Costs, benefits, and public policy. Teachers College Press.
Čikaški stil citiranja (17. izdanje)Levin, Melvin R., i Alan Shank. Educational Investment in an Urban Society: Costs, Benefits, and Public Policy. New York: Teachers College Press, 1970.
MLA način citiranja (9. izdanje)Levin, Melvin R., i Alan Shank. Educational Investment in an Urban Society: Costs, Benefits, and Public Policy. Teachers College Press, 1970.
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