Dyfyniad APA

Institute for the Conservation of Cultural Material. (1985). National newsletter. The Institute.

Dyfyniad Arddull Chicago

Institute for the Conservation of Cultural Material. National Newsletter. Melbourne: The Institute, 1985.

Dyfyniad MLA

Institute for the Conservation of Cultural Material. National Newsletter. The Institute, 1985.

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