Fitzgerald, Ross
University of Queensland Press, 1984
Buku Teks
Melisa Safitri, author
Fakultas Hukum Universitas Indonesia, 2014
UI - Tesis (Membership)
The Howorth Press, Inc. , 1987
Majalah, Jurnal, Buletin
Leiden, Leiden University Library
Buku Referensi
Hinzler, H. I. R., author
E.J.Brill and Leiden University Press, 1987
Buku Teks