Sullivan, Terry, author
Rockport, 1999
Buku Teks
Keene, Donald, author
Secker & Warburg, 1971
Buku Teks
Allen, Lynne, author
Rockport, 1997
Buku Teks
Edited by Nadia Amoroso
Routledge, cop, 2012
Buku Teks
Eissen, Koos, author
Page one publishing pte ltd, 2011
Buku Teks