Dyfyniad APA

Gurewich,Nathan, & Gurewich,Ori. (1996). Teach yourself Visual Basic 4 in 21 days. Prentice-Hall of India.

Dyfyniad Arddull Chicago

Gurewich,Nathan, and Gurewich,Ori. Teach Yourself Visual Basic 4 in 21 Days. New Delhi: Prentice-Hall of India, 1996.

Dyfyniad MLA

Gurewich,Nathan, and Gurewich,Ori. Teach Yourself Visual Basic 4 in 21 Days. Prentice-Hall of India, 1996.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.