Dyfyniad APA

Perry, G. (1998). sAMs Teach Yourself Visual Basic 6 in 21 Days. Techmedia.

Dyfyniad Arddull Chicago

Perry, Greg. SAMs Teach Yourself Visual Basic 6 in 21 Days. USA: Techmedia, 1998.

Dyfyniad MLA

Perry, Greg. SAMs Teach Yourself Visual Basic 6 in 21 Days. Techmedia, 1998.

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