Kingsley, C.
J.M. Dent, 1949
Buku Teks
Peacock, H.L., author
Heinemann Educational Books, 1980
Buku Teks
Tarling, Nicholas, author
Singapore University Press, 2005
Buku Teks
Drake, Charles D.
Sweet and Maxwell , 1972
Buku Teks
Wedgwood, C. V.
Time Reading Program, 1964
Buku Teks