edited by J.H.C. Morris
[Publisher not identified], 1973
Buku Teks
Humphrey, John
A.W. Sijthoff, 1978
Buku Teks
Martin, James A.
Little, Brown, 1978
Buku Teks
Collier, John Greenwood
Cambridge University Press, 1994
Buku Teks
Collier, John Greenwood
Cambridge University Press, 1987
Buku Teks