edited by Norman Page
Macmillan, 1984
Buku Teks
Shepherd, Valerie, author
Pinter, 1990
Buku Teks SO
edited by Jonathan Culpeper, Mick Short, and Peter Verdonk
Routledge, 1998
Buku Teks
Nash, Walter, author
Routledge, 1990
Buku Teks
Webber, John
University of Wisconsin Press, 1968
Buku Teks