Kulick, Andreas, author
Cambridge University Press , 2012
Buku Teks
Roberts, Harold S.
University of Hawaii Press, 1970
Buku Teks
Ehrenberg, Ronald G., author
Pearsons Addison-Wesley , 2009
Buku Teks
Meyerson, Martin, author
The Free Press, 1964
Buku Teks
Council for Public Interest Law, 1976
Buku Teks