Não informado. (2009). Interface Age, Computing for Business. MWJ Publishing Group.
Lua i Stíl Chicago (17ú heag.)Não informado. Interface Age, Computing for Business. Paramount, Calif: MWJ Publishing Group, 2009.
Lua MLA (8ú heag.)Não informado. Interface Age, Computing for Business. MWJ Publishing Group, 2009.
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