Tebbens, Henricus Duintjer, 1943-, author
Sijthoff & Noordhoff, 1980
Buku Teks
Cambridge University Press, 2005
Buku Teks
Chatterjee, S.K., author
Martinus Nijhoff Publishers, 1981
Buku Teks
Josefina Naomi Daniela, author
Fakultas Hukum Universitas Indonesia, 2020
UI - Skripsi (Membership)
Okolie, Charles Chukwuma, author
Frederick A. Praeger, 1975
Buku Teks