Halliday, M.A.K.
Oxford University Press, 1989
Buku Teks
Jos, Mullie
The Bureau of Engraving and Printing, 1932
Buku Teks
Underhill, Nic
Cambridge University Press, 1993
Buku Teks
Curme, George O
Macmillan, 1913
Buku Teks
Chalmers, John
London Missionary Society's Press, 1859
Buku Referensi