Knapp, Stephen
Pockport Pub, 1998
Buku Referensi
Wigginton, Michael
Phaidon, 2004
Buku Referensi
Peterson, Chris
Rockport Publishers, 1998
Buku Teks
Rodley, Lyn
Cambridge University Press, 1999
Buku Teks
Libeskind, Daniel
NAi Publishers, 2001
Buku Teks