Walter, Bronwen, author
London: Routledge, 2001
Buku Teks
edited by Harriet Devine Jump
London : Routledge, 1998,
Buku Teks
edited by Jo Little, Linda Peake, and Pat Richardson
Macmillan, 1988
Buku Teks
Witz, Anne
Routledge, 1992
Buku Teks
McGraw-Hill, 1991
Buku Teks