Springer, 2005
Buku Teks
Bernard, Leonardo
Fakultas Hukum Universitas Indonesia, 2005
UI - Skripsi Membership
Hengki Purwowidagdo
Fakultas Hukum Universitas Indonesia, 1992
UI - Skripsi Membership
Wilde, Mark
Wolters Kluwer Law & Business, 2013
Buku Teks
Bell, Stuart
Blackstone Press, 2001
Buku Teks