Dyfyniad APA
National Research Council (U.S.). Committee on Currency Features Usable by the Visually Impaired & ebrary, Inc. (1995). Currency features for visually impaired people. National Academy Press.
Dyfyniad Arddull Chicago
National Research Council (U.S.). Committee on Currency Features Usable by the Visually Impaired and Inc ebrary. Currency Features for Visually Impaired People. Washington, DC: National Academy Press, 1995.
Dyfyniad MLA
National Research Council (U.S.). Committee on Currency Features Usable by the Visually Impaired and Inc ebrary. Currency Features for Visually Impaired People. National Academy Press, 1995.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.