Ruffolo, L. (2003). New perspectives on desktop operating systems [ada CD]. Thomson Learning.
Lua i Stíl Chicago (17ú heag.)Ruffolo, Lisa. New Perspectives on Desktop Operating Systems [ada CD]. Thomson Learning, 2003.
Lua MLA (8ú heag.)Ruffolo, Lisa. New Perspectives on Desktop Operating Systems [ada CD]. Thomson Learning, 2003.
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