Lastra, Rosa Maria, author
Oxford University Pres, 2015
Buku Teks
Shuster, M.R.
Clarendon Press , 1973
Buku Teks
Grubel, Herbert G., author
Penguin Books, 1972
Buku Teks
Lowenfeld, Andreas F., author
Matthew Bender, 1984
Buku Teks
Mann, F.A.
Oxford At The Clarendon Press, 1971
Buku Teks