Perry, G. M., & Reselman, B. (1997). Visual Basic 5 night school. Que.
Lua i Stíl Chicago (17ú heag.)Perry, Greg M., agus Bob Reselman. Visual Basic 5 Night School. Indianapolis, IN: Que, 1997.
Lua MLA (9ú heag.)Perry, Greg M., agus Bob Reselman. Visual Basic 5 Night School. Que, 1997.
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