Dyfyniad APA
Labov, W., Ash, S., & Boberg, C. (2006). The atlas of North American English: Phonetics, phonology, and sound change : a multimedia reference tool. Mouton de Gruyter.
Dyfyniad Arddull Chicago
Labov, William, Sharon Ash, and Charles Boberg. The Atlas of North American English: Phonetics, Phonology, and Sound Change : A Multimedia Reference Tool. Berlin ; New York: Mouton de Gruyter, 2006.
Dyfyniad MLA
Labov, William, et al. The Atlas of North American English: Phonetics, Phonology, and Sound Change : A Multimedia Reference Tool. Mouton de Gruyter, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.