Band, Jonathan
Westview Press, 1995
Buku Teks
Dimas Amirul Prihandoko
Fakultas Hukum Universitas Indonesia, 2012
UI - Tesis Open
Freeman, Lee
Information Science Publishing, 2005
Buku Teks
WIPO, 2007
Buku Teks
Bainbridge, David
Pearson - Longman, 2002
Buku Teks