Chudal, Alaka Atreya, author
Oxford University Press, 2016
eBooks
Cambridge University Press, 1988
Buku Teks
Boren, Henry C., author
D.C. Heath and Company, 1977
Buku Referensi
Jayasuriya, Shihan De Silva, author
Tauris Academic Studies, 2008
Buku Teks
Li, Li, author
China Intercontinental Press, 2010
Buku Teks