Alexandrov, Stanimir A.
Kluwer, 1996
Buku Teks
Sianturi, Jeremiah Immanuel
Fakultas Hukum Universitas Indonesia, 2016
UI - Skripsi (Membership)
Bernstein, Albert J
McGraw-Hill, 2001
Buku Teks
Nazhira Idzni
Fakultas Teknik Universitas Indonesia, 2017
UI - Skripsi (Membership)
Frances, Bryan:
Polity Press, 2014
Buku Teks