Dyfyniad APA

Association for Preservation Technology. (1969). Bulletin of the Association for Preservation Technology. Association for Preservation Technology.

Dyfyniad Arddull Chicago

Association for Preservation Technology. Bulletin of the Association for Preservation Technology. Ottawa, Ont.: Association for Preservation Technology, 1969.

Dyfyniad MLA

Association for Preservation Technology. Bulletin of the Association for Preservation Technology. Association for Preservation Technology, 1969.

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