Dyfyniad APA

-. Microforms annual 1984/1985: An international guide tomicroforms. The Pergamon Group.

Dyfyniad Arddull Chicago

-. Microforms Annual 1984/1985: An International Guide Tomicroforms. New York: The Pergamon Group.

Dyfyniad MLA

-. Microforms Annual 1984/1985: An International Guide Tomicroforms. The Pergamon Group.

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