Ulich, Robert
Harvard University Press, 1962
Buku Teks
Simanjuntak, Enrico
Fakultas Hukum Universitas Indonesia, 2014
UI - Tesis (Membership)
Rido Pradana
2018
UI - Skripsi (Membership)
Wade, H.W.R.
Clarendon Press, 1971
Buku Teks
Schwartz, Bernard
Little, Brown & Co., 1991
Buku Teks