Woytinsky, W.S., author
Harper & Brothers, 1957
Buku Teks
Publication Division, Ministry of Information and Broadcasting, 1954
Buku Teks
Kar, Sabyasachi, author
Palgrave Macmillan, 2016
Buku Teks
Desai, A.R.
Popular Book Depot, 1954
Buku Teks
Rosen, George, author
Free Press, 1958
Buku Teks