Reinharz, Shulamit
Oxford University Press, 1992
Buku Teks
Berg, Bruce L. (Bruce Lawrence), 1954-, author
Pearson, 2004
Buku Teks
edited by George Mckenzie, Jackie Powell, Robin Usher
The Falmer Press, 1997
Buku Teks
Greenstein, Theodore N., author
Sage Publications, 2001
Buku Teks
Sommer, Robert, author
New York, 2002
Buku Teks