Allied Publishers Private Limited, 1962
Buku Teks SO
Washington, Booker T.
Oxford University Press, 1900
Buku Teks SO
edited by A.B. Shah
Manaktalas, 1965
Buku Teks SO
Spencer, Cornelia
John Day Company, 1948
Buku Teks SO
Singh, Anup
Balai Pustaka, 1950
Buku Klasik