WIPO, 2006
Buku Teks
WIPO, 2007
Buku Teks
Arnaud Nuyts, editor
Kluwer Law International, 2008
Buku Teks
Indra Safitri, author
Fakultas Hukum Universitas Indonesia, 1989
UI - Skripsi Membership
Bainbridge, David, author
Pearson - Longman, 2002
Buku Teks