O'CONNOR, C. A. (1994). Professional's Guide To Successful Management. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)O'CONNOR, Carol A. Professional's Guide To Successful Management. McGraw-Hill, 1994.
Lua MLA (8ú heag.)O'CONNOR, Carol A. Professional's Guide To Successful Management. McGraw-Hill, 1994.
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