Black English: its history and usage in the United States. Dillard, J. L. Random House, New York, 1st ed. edition, 1972.
bibtex   
@book{dillard_black_1972,
	address = {New York},
	edition = {1st ed.},
	title = {Black {English}: its history and usage in the {United} {States}},
	isbn = {978-0-394-46760-3},
	shorttitle = {Black {English}},
	publisher = {Random House},
	author = {Dillard, J. L.},
	year = {1972},
	keywords = {African Americans, Americanisms, Black English, Languages, Perfective done},
}
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