Burnett, David
Hurtig, 1983
Buku Teks
Scott, F. R. (Francis Reginald)
Published in co-operation with Carleton University by University of Toronto Press, 1959
Buku Teks
Heatfield, David F.
Macmillan, 1971
Buku Teks
J.M. Dent & Sons, 1957
Buku Teks
Raine, Kathleen, 1908-2003
The British Council by Longmans, Green, 1965
Buku Teks