edited by Anna De Fina, Deborah Schiffrin, Michael Bamberg
Cambridge University Press, 2006
Buku Teks
Cook, Guy (Guy W. D.), author
Routledge, 1992
Buku Teks
edited by Philip Riley
Longman, 1985
Buku Teks
Schiffrin, Deborah, author
Blackwell, 1994
Buku Teks
Schiffrin, Deborah, author
Cambridge University Press, 1996
Buku Teks