Marjorie Howes, John Kelly, editor
Cambridge University Press, 2008
Buku Teks
Jeffares, A. Norman
Stanford University Press, 1968
Buku Teks
Fraser, G.S. (George Sutherland), 1915-
Published for the British Council and the National Book League by Longmans, 1965
Buku Teks
MacNeice, Louis
Oxford University Press, 1941
Buku Teks
Marcus, Phillip L.
Macmillan, 1992
Buku Teks