Gurewich,Nathan, & Gurewich,Ori. (1996). Teach yourself Visual Basic 4 in 21 days. Prentice-Hall of India.
Chicago Edition CitationGurewich,Nathan, and Gurewich,Ori. Teach Yourself Visual Basic 4 in 21 Days. New Delhi: Prentice-Hall of India, 1996.
MLA Edition CitationGurewich,Nathan, and Gurewich,Ori. Teach Yourself Visual Basic 4 in 21 Days. Prentice-Hall of India, 1996.
Warning: These citations may not always be 100% accurate.