Preston, D. R. (1989). Perceptual dialectology: Nonlinguists' views of areal linguistics. Foris Publications.
Dyfyniad Arddull ChicagoPreston, Dennis Richard. Perceptual Dialectology: Nonlinguists' Views of Areal Linguistics. Dordrecht, Holland ; Providence, R.I.: Foris Publications, 1989.
Dyfyniad MLAPreston, Dennis Richard. Perceptual Dialectology: Nonlinguists' Views of Areal Linguistics. Foris Publications, 1989.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.