Sharma, R.P.
Sterling Publishers Private, 1984
Buku Teks
Bowle, John
J. Cape, 1947
Buku Teks
Germino, Dante L.
Rand McNally, 1972
Buku Teks
McClelland, J.S.
Routledge , 1998
Buku Teks
edited by Isaac Kramnick
[publisher not identified], 1969
Buku Teks