Johnson, E. (1996). Lexical change and variation in the southeastern United States, 1930-1990. University of Alabama Press.

Johnson, Ellen. Lexical Change and Variation in the Southeastern United States, 1930-1990. Tuscaloosa: University of Alabama Press, 1996.

Johnson, Ellen. Lexical Change and Variation in the Southeastern United States, 1930-1990. University of Alabama Press, 1996.