WALTERS, S. J. (1993). Enterprise, Government And The Public. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)WALTERS, Stephen J.K. Enterprise, Government And The Public. McGraw-Hill, 1993.
Lua MLA (8ú heag.)WALTERS, Stephen J.K. Enterprise, Government And The Public. McGraw-Hill, 1993.
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