Rickford, John R. 1999. African American vernacular English: features, evolution, educational implications. Malden, MA: Blackwell.
@book{rickford1999b,
address = {Malden, MA},
author = {Rickford, John R},
key = {Rickford 1999b},
publisher = {Blackwell},
title = {African American vernacular English: features, evolution, educational implications},
year = {1999}
}