Cerver, Fransisco Asensio
Kol'nemann, 2000
Buku Teks
edited by Michael Raeburn
Crescent Books, 1980
Buku Referensi
Design Media Publishing Limited, 2011
Buku Referensi
Philips, Alan
Chancellor Press, 1993
Buku Referensi
edited by Paul Oliver
Cambridge University Press, 1998
Buku Referensi