Westall, Christopher, author
Page One Publishing, 2002
Buku Referensi
Yelavich, Susan, author
Phaidon, 2007
Buku Referensi
Piotrowski, Christine M., author
Wiley, 1999
Buku Teks
Brooker, Graeme, author
Laurence King, 2013
Buku Referensi
McGowan, Maryrose, author
John Wiley & Sons, [Date of publication not identified]
Buku Teks