Ewers, T. (1996). The origin of American Black English: Be-forms in the HOODOO texts. Mouton de Gruyter.
芝加哥风格引文Ewers, Traute. The Origin of American Black English: Be-forms in the HOODOO Texts. Berlin ; New York: Mouton de Gruyter, 1996.
MLA引文Ewers, Traute. The Origin of American Black English: Be-forms in the HOODOO Texts. Mouton de Gruyter, 1996.
警告：这些引文格式不一定是100％准确.