Dayal, Surendra, author
Butterworth, 1996
Buku Teks
Lobenthal, Joseph S.
Outerbridge & Dienstfrey, 1970
Buku Teks
Cahn, Edmond
Indiana University Press, 1981
Buku Teks
Cambridge University Press, 2016
eBooks
Martinus Nijhoff-Publishers , 1996
Buku Teks