Maitland-Jones, J.F.
W.W. Norton, 1974
Buku Teks
Larson, Laurence M.
Holt , 1926
Buku Teks
Masefield, Muriel
G. Bell and Sons, 1954
Buku Teks
edited by Jeremy Moon and Campbell Sharman
Cambridge University Press, 2003
Buku Teks
Stewart, Robert B.
Macmillan, 1939
Buku Teks