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.
芝加哥风格引文Labov, William, Sharon Ash, 与 Charles Boberg. The Atlas of North American English: Phonetics, Phonology, and Sound Change : A Multimedia Reference Tool. Berlin ; New York: Mouton de Gruyter, 2006.
MLA引文Labov, William, et al. The Atlas of North American English: Phonetics, Phonology, and Sound Change : A Multimedia Reference Tool. Mouton de Gruyter, 2006.
警告：这些引文格式不一定是100％准确.