Gaya APA

al., E. et al (2004). Microsoft Visual Basic 6.0: Professional Step By Step (Ed. 2). New Delhi: Prentice Hall of India Private Ltd..

Gaya MLA

al., Et. et al. "Microsoft Visual Basic 6.0: Professional Step By Step". Ed. 2 New Delhi: Prentice Hall of India Private Ltd., 2004. Text.