ebrary, Inc, Preston, D. R., & Fought, J. G. (1993). American dialect research. J. Benjamins Pub. Co..
芝加哥风格引文ebrary, Inc, Dennis Richard Preston, 与 John G. Fought. American Dialect Research. Amsterdam: J. Benjamins Pub. Co., 1993.
MLA引文ebrary, Inc, et al. American Dialect Research. J. Benjamins Pub. Co., 1993.
警告：这些引文格式不一定是100％准确.