Spear, B. (2004). Advanced programming with microsoft visual basic .net[ada CD]. Thomson Learning.
Lua i Stíl Chicago (17ú heag.)Spear, Bob. Advanced Programming with Microsoft Visual Basic .net[ada CD]. Thomson Learning, 2004.
Lua MLA (8ú heag.)Spear, Bob. Advanced Programming with Microsoft Visual Basic .net[ada CD]. Thomson Learning, 2004.
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