Holznor, S. (2009). Visual Basic 6 Programming: Black Book 2009 (With CD). Dream tech Press.
Chicago-čujuhus (17. p.)Holznor, Steven. Visual Basic 6 Programming: Black Book 2009 (With CD). New Delhi: Dream tech Press, 2009.
MLA-čujuhus (9. p.)Holznor, Steven. Visual Basic 6 Programming: Black Book 2009 (With CD). Dream tech Press, 2009.
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