Cheney, L.J, author
The New American Library , 1959
Buku Teks
Pearman, Hugh, author
Phaidon Press, 2002
Buku Teks
Dance, E.H., author
Longman, 1937
Buku Teks
Rae, John B., author
McGraw-Hill, 1949
Buku Teks
Hadley, Hamilton
Dodd, Mead & Company, 1963
Buku Teks