edited by L. Lynn Hogue
An Aspen Publication, 1980
Buku Teks
Carlson, Rick, author
The Mosby , 1987
Buku Teks
edited by Fiona Sim, Martin McKee
McGraw-Hill, 2011
Buku Teks
Oliver, Dawn, author
Pinter, A Cassell Imprint, 1996
Buku Teks
edited by Robyn Martin and Linda Johnson
Cavendish, 2001
Buku Teks