Fletcher, Sydney E.
Grosset & Dunlap, 1954
Buku Teks
Desai, A.R.
Oxford University Press, 1948
Buku Teks
Banerjee, Satarupa
Rupa & Co., 1994
Buku Teks
Palmer, Norman D.
Houghton Mifflin, 1961
Buku Teks
Palmer, Norman D.
Houghton Mifflin, 1971
Buku Teks