Hadi Kusuma, author
2008
UI - Tesis (Open)
Wildan Hakim, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2009
UI - Tesis (Open)
Record, Matthew, author
Glorier International, 1999
Buku Referensi
Nono Anwar Makarim, author
Harvard Law School, 1978
Buku Teks
Universiti Malaysia Terengganu, 2013
Majalah, Jurnal, Buletin