Neal, Larry, author
UK Cambridge University Press, 2015
Buku Teks
Lawrence, Mark Atwood, author
Oxford University Press, 2010
Buku Teks
Moring, Marcel, author
De Bezige Bij, 2005
Buku Teks
Birmingham, David, author
Cambridge University Press, 1993
Buku Teks
Heidhues, Mary Somers, author
Thames dan Hudson , 2000
Buku Teks