Blume, William Wirt
Prentice-Hall, 1955
Buku Teks
A.W. Sijthoff, 1966
Buku Teks
Kluwer Law International, 1978
Buku Teks
Sitanggang, Eriska Fajrinita, author
Fakultas Hukum Universitas Indonesia, 2021
UI - Skripsi (Membership)
Continuing Legal Education Publications, 1994
Buku Referensi