ZAGORSKY, J. L. (2003). Business information: Finding and using data in digital age. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)ZAGORSKY, Jay L. Business Information: Finding and Using Data in Digital Age. McGraw-Hill, 2003.
Lua MLA (8ú heag.)ZAGORSKY, Jay L. Business Information: Finding and Using Data in Digital Age. McGraw-Hill, 2003.
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