Dyfyniad APA

Coronet Instructional Films & Lemmert, D. (1970). Alphabetic filing. Coronet Instructional Films.

Dyfyniad Arddull Chicago

Coronet Instructional Films and Dorothy Lemmert. Alphabetic Filing. Chicago: Coronet Instructional Films, 1970.

Dyfyniad MLA

Coronet Instructional Films and Dorothy Lemmert. Alphabetic Filing. Coronet Instructional Films, 1970.

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