APA aipamena

Holzner, S. . .. (1995). Visual basic 6: Programming black book. Comdex.

Chicago Style aipamena

Holzner, Steven. Visual Basic 6: Programming Black Book. New Delhi: Comdex, 1995.

MLA aipamena

Holzner, Steven. Visual Basic 6: Programming Black Book. Comdex, 1995.