Dyfyniad APA

(1949). (Journal) Aslib proceedings. Association for information management.

Dyfyniad Arddull Chicago

(Journal) Aslib Proceedings. London: Association for information management, 1949.

Dyfyniad MLA

(Journal) Aslib Proceedings. Association for information management, 1949.

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