APA استشهاد

Holzner,, S. (2000). Visual Basic 6 programming: Black book (1st.). Coriolis.

استشهاد بنمط شيكاغو

Holzner,, Steven. Visual Basic 6 Programming: Black Book. 1st. New Delhi: Coriolis, 2000.

MLA استشهاد

Holzner,, Steven. Visual Basic 6 Programming: Black Book. 1st. Coriolis, 2000.