Dyfyniad APA

(1983). International inventory of software packages in the information field. Unesco.

Dyfyniad Arddull Chicago

International Inventory of Software Packages in the Information Field. Paris: Unesco, 1983.

Dyfyniad MLA

International Inventory of Software Packages in the Information Field. Unesco, 1983.

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