edited by Rolf Toman
H.F. Ullman, 2010
Buku Referensi
Saunders, E. Dale, author
Princeton University Press, 1960
Buku Teks
Cochrane, James C., author
David & Charles , 2008
Buku Teks
Priest, Alan
[T.p.] , 1944
Buku Teks
Kar, Chintamoni
Alec Tiranti, 1950
Buku Teks