Dyfyniad APA

(1980). Computer based information systems. Open University Press.

Dyfyniad Arddull Chicago

Computer Based Information Systems. Open University Press, 1980.

Dyfyniad MLA

Computer Based Information Systems. Open University Press, 1980.

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