Rajagopalachari, C., author
Bharatiya Vidya Bhavan, 1968
Buku Teks
Lal, P., author
Pustaka Jaya , 1995
Buku Teks
Benjamin, Andrew
Academy group , 1992
Buku Teks
editor, Qiao Qian; translator, Wang Rong
Ningxia People's Publishing House, 2012
eBooks
Academy Group Ltd, 1995
Buku Teks