Holznor, S. (2009). Visual Basic 6 Programming: Black Book 2009 (With CD). Dream tech Press.
Lua i Stíl Chicago (17ú heag.)Holznor, Steven. Visual Basic 6 Programming: Black Book 2009 (With CD). New Delhi: Dream tech Press, 2009.
Lua MLA (9ú heag.)Holznor, Steven. Visual Basic 6 Programming: Black Book 2009 (With CD). Dream tech Press, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.