Design Media Publishing Limited, 2011
Buku Referensi
edited by Paul Oliver
Cambridge University Press, 1998
Buku Referensi
Raeburn, Michael, edited
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Buku Referensi
Snibbe, Patricia M., author
McGraw-Hill, 1999
Buku Teks
Pearman, Hugh, author
Phaidon Press, 2002
Buku Teks