Roman, S. (1997). Concepts of object-oriented programming with Visual Basic. Springer.
Chicago-čujuhus (17. p.)Roman, Steven. Concepts of Object-oriented Programming with Visual Basic. New York: Springer, 1997.
MLA-čujuhus (9. p.)Roman, Steven. Concepts of Object-oriented Programming with Visual Basic. Springer, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.