Al-Qasem, Anis
Graham and Trotman Limited Sterling House, 1985
Buku Teks
Sinaga, Endang Pratiwi
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2016
UI - Skripsi Membership
Hutapea, Elisabeth Carissa
Universitas Indonesia, 2014
UI - Skripsi Membership
Pereira, Eduardo G
Global Law and Business, 2013
Buku Teks SO
Roberts, Peter
Global Law and Business, 2012
Buku Teks