Dyfyniad APA

(1987). Background to evolving a national information policy. Government press.

Dyfyniad Arddull Chicago

Background to Evolving a National Information Policy. New delhi: Government press, 1987.

Dyfyniad MLA

Background to Evolving a National Information Policy. Government press, 1987.

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