Oliver, H.J., author
Oxford University Press, 1968
Buku Teks
Landell, Olaf J. de
F.G.Kroonder , [date of publication not identified]
Buku Teks
Landell, Olaf J. de
De Boekerij, 1976
Buku Teks
New Yor : The Hudson review Inc.
Majalah, Jurnal, Buletin
Wilkinson, Toby A., author
Thames & Hudson, 2008
Buku Referensi