Jhunjhunwala, Bharat, author
Kalpaz Publications, 2008
Buku Teks
Sengupta, Jayshree, author
Academic Foundation, 2007
Buku Teks
Mujumdar, N. A
Academic Foundation, 2007
Buku Teks
University of Surrey, 2004
Buku Teks
Chaudhuri, K.N.
Cambridge University Press, 1990
Buku Teks