Celce-Murcia, Marianne, author
Cambridge University Press, 2011
Buku Teks
edited by George J. McCall, J.L. Simmons.
Random House, 1969
Buku Teks
edited by Raymond Cochrane and Douglas Carrol
Falmer Press, 1991
Buku Teks
Artikel Jurnal
edited by Trevor J. Barnes and James S. Duncan
Routledge , 1992
Buku Teks