Barnet, Sylvan, author
Little, Brown, 1980
Buku Teks
Dupre, Lyn, author
Addison-Wesley, 1995
Buku Teks
Barrass, Robert, author
Routledge, 1995
Buku Teks
Axelrod, Rise B.
1997
Multimedia
edited by Catherine Soanes and Angus Stevenson
Oxford University Press, 2006
Buku Referensi