Ferguson, Charles A.; & Heath, Shirley Brice (Eds.). (1981). . Cambridge: Cambridge University Press. Finegan, Edward. (2004). American English and its distinctiveness. In E. Finegan & J. R. Rickford (Eds.), (pp. 18-38). Cambridge: Cambridge University Press. Finegan, Edward; & Rickford, John R. (Eds.). (2004). . Cambridge: Cambridge University Press. Frazer, Timothy (Ed.). (1993). . Tuscaloosa: University of Alabama Press. Glowka, Wayne; & Lance, Donald (Eds.). (1993). . New York: Modern Language Association. Garner, Bryan A. (2003). . New York: Oxford University Press. Kenyon, John S. (1950). (10th ed.). Ann Arbor: George Wahr. Kortmann, Bernd; Schneider, Edgar W.; Burridge, Kate; Mesthrie, Rajend; & Upton, Clive (Eds.). (2004). (Vol. 2). Berlin: Mouton de Gruyter. Lippi-Green, Rosina. (1997). . New York: Routedge. MacNeil, Robert; & Cran, William. (2005). New York: Nan A. Talese, Doubleday. (1921-utgaven online: www.bartleby.com/185/). Schneider, Edgar (Ed.). (1996). . Philadelphia: John Benjamins. Schneider, Edgar W.; Kortmann, Bernd; Burridge, Kate; Mesthrie, Rajend; & Upton, Clive (Eds.). (2004). (Vol. 1). Berlin: Mouton de Gruyter. Thomas, Erik R. (2001). . Publication of American Dialect Society (No. 85). Durham, NC: Duke University Press. Thompson, Charles K. (1958). (2. utg.). New York: The Ronald Press Co. Trudgill, Peter and Jean Hannah. (2002). International English: A Guide to the Varieties of Standard English, 4th ed. London: Arnold. ISBN 0-340-80834-9. Wolfram, Walt; & Schilling-Estes, Natalie. (1998). . Malden, MA: Basil Blackwell.