Gurewich, N., & Gurewich, O. (1995). Master Visual Basic 4. Sama Publishing.
Chicago-čujuhus (17. p.)Gurewich, Nathan, juo Ori Gurewich. Master Visual Basic 4. Indianapolis: Sama Publishing, 1995.
MLA-čujuhus (9. p.)Gurewich, Nathan, juo Ori Gurewich. Master Visual Basic 4. Sama Publishing, 1995.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.