edited by Konrad Zweigert and Jan Kropholler
A.W. Sijthoff, [Date of publication not identified]
Buku Teks
Wehberg, Hans
Alfred Metzner, 1953
Buku Klasik
Kluwer Law International, 1996
Buku Teks
Mochtar Kusumaatmadja
Binacipta, 1976
Buku Teks
Fadillah Archieansyah
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2018
UI - Skripsi Membership