Collins, Aukai
Hikmah , 2006
Buku Teks
Ferraro, Geraldine
Bantam Books, 1985
Buku Teks
Howley, Adrienne
University of Queensland Press, 1989
Buku Teks
Gandhi, Mahatma K.
Navajivan Publishing House, 1948
Buku Teks
Gandhi, M.K., 1869-1948
Navajivan Publishing House, 1988
Buku Teks