Artikel Jurnal
Barnett, Mary, author
Grange Books, 1997
Buku Referensi
Taylor, John H., 1958-, author
British Museum, 2010
Buku Teks
Malek, Jaromir, author
Andre Deutsch, 2010
Buku Referensi
Mitchell, T. F., author
Oxford University Press, 1960
Buku Teks