edited by George McDaniel
McGraw-Hill, 1994
Buku Referensi
Oxford University Press, 1990
Buku Referensi
Helicon, 1993
Buku Referensi
edited by Sybil P. Parker
New York, McGraw-Hill
Buku Referensi
Gunton, Tony, author
Penguin Books, 1993
Buku Referensi