Bleznick, Donald W.
Scarecrow Press, 1983
Buku Referensi
edited by Ranjit Chatterjee, Colin E. Nicholson
Singapore University Press, 1984
Buku Teks
Brenan, Gerald, author
At The University Press, 1951
Buku Teks
Hesse, Everett W.
Van Nostrand Reinhard, 1970
Buku Teks
Ras, J.J., author
Rijksuniversiteit te Leiden, 1992
Buku Teks