Dyfyniad APA

Cough C. (1974). A user's guide to copyright national library and information services: A handbook for planners. Butter worths.

Dyfyniad Arddull Chicago

Cough C. A User's Guide to Copyright National Library and Information Services: A Handbook for Planners. London: Butter worths, 1974.

Dyfyniad MLA

Cough C. A User's Guide to Copyright National Library and Information Services: A Handbook for Planners. Butter worths, 1974.

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