Longman Cheshire, 1984
Buku Teks
Roberto Bellarmino Gratio, author
Fakultas Hukum Universitas Indonesia, 2021
UI - Skripsi (Membership)
Resty Sopiyono, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2020
UI - Tesis (Membership)
Nur Kartika Cendrasari, author
Program Pascasarjana Universitas Indonesia, 2000
UI - Tesis (Membership)
Burns, Arthur F., author
American Enterprise Institute, 1967
Buku Teks