Dyfyniad APA

(1987). Computers and computing information resources directory (First edition.). Gale Research.

Dyfyniad Arddull Chicago

Computers and Computing Information Resources Directory. First edition. Detroit: Gale Research, 1987.

Dyfyniad MLA

Computers and Computing Information Resources Directory. First edition. Gale Research, 1987.

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