Hurwitz, H. L. (1975). Using economics: Principles, institutions, issues. Oxford Book Co..
Lua i Stíl Chicago (17ú heag.)Hurwitz, Howard L. Using Economics: Principles, Institutions, Issues. New York: Oxford Book Co., 1975.
Lua MLA (8ú heag.)Hurwitz, Howard L. Using Economics: Principles, Institutions, Issues. Oxford Book Co., 1975.
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