Dyfyniad APA

Lancaster, F. (1973). Information retreival online. Melbourne University press.

Dyfyniad Arddull Chicago

Lancaster, Federic. Information Retreival Online. Los Angeles: Melbourne University press, 1973.

Dyfyniad MLA

Lancaster, Federic. Information Retreival Online. Melbourne University press, 1973.

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