Longman Scientific & Technical, 1996
Buku Teks
edited by Denis Dwyer
Longman Scientific & Technical, 1994
Buku Teks
W. Heffer & Sons, 1954
Buku Teks
edited by Paul Harrison
Oxford University Press, 1996
Buku Teks
Doubleday & Company, INC, 1966
Buku Teks