The UNESCO Press, 1976
Buku Teks
Aveni, Anthony, author
Tauris Parke Paperbacks, 2000
Buku Teks
edited by Anthony Milner and Mary Quilty
Oxford University Press, 1997
Buku Teks
by Jack Bavington
Maclean-Hunter Learning Materials, 1976
Buku Teks
Downs, James F., author
Glencoe Press, 1975
Buku Teks