Dyfyniad APA
ebrary, Inc. (2006). The Hutchinson dictionary of abbreviations. Helicon.
Dyfyniad Arddull Chicago
ebrary, Inc. The Hutchinson Dictionary of Abbreviations. Abingdon, Oxon: Helicon, 2006.
Dyfyniad MLA
ebrary, Inc. The Hutchinson Dictionary of Abbreviations. Helicon, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.