Dyfyniad APA
ebrary, Inc, Preston, D. R., & Fought, J. G. (1993). American dialect research. J. Benjamins Pub. Co..
Dyfyniad Arddull Chicago
ebrary, Inc, Dennis Richard Preston, and John G. Fought. American Dialect Research. Amsterdam: J. Benjamins Pub. Co., 1993.
Dyfyniad MLA
ebrary, Inc, et al. American Dialect Research. J. Benjamins Pub. Co., 1993.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.