Speaking Ebonics in a Professional Context: The Role of Ethos/Source Credibility and Perceived Sociability of the Speaker. Payne, K., Downing, J., & Fleming, J. C. Journal of Technical Writing and Communication, 30(4):367–383, October, 2000.
Speaking Ebonics in a Professional Context: The Role of Ethos/Source Credibility and Perceived Sociability of the Speaker [link]Paper  doi  bibtex   
@article{payne_speaking_2000,
	title = {Speaking {Ebonics} in a {Professional} {Context}: {The} {Role} of {Ethos}/{Source} {Credibility} and {Perceived} {Sociability} of the {Speaker}},
	volume = {30},
	issn = {0047-2816, 1541-3780},
	shorttitle = {Speaking {Ebonics} in a {Professional} {Context}},
	url = {http://journals.sagepub.com/doi/10.2190/93U1-0859-0VC3-F5LK},
	doi = {10.2190/93U1-0859-0VC3-F5LK},
	language = {en},
	number = {4},
	urldate = {2020-07-14},
	journal = {Journal of Technical Writing and Communication},
	author = {Payne, Kay and Downing, Joe and Fleming, John Christopher},
	month = oct,
	year = {2000},
	pages = {367--383},
}

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