Talbot, Phillips
Harper and Brothers, 1958
Buku Teks SO
Orient Longman, 2005
Buku Teks SO
Rosinger, Lawrence K.
Macmillan, 1950
Buku Teks SO
Sarkar, H.B.
Indian Council for Cultural Relations and Motilal Banarsidass, 1985
Buku Teks SO
Gupta, Sisir
Asia Publishing House, 1966
Buku Teks SO