Kementerian Perdagangan RI, Jl. M. I. Ridwan Rais no. 5
Majalah, Jurnal, Buletin
Nasution, Ruri Eka Fauziah, author
Durham University, 2015
Artikel Jurnal
Evans, H. David.
N.Y. Harvester Wheatsheaf, c , 1989
Buku Teks
League of Nations , 1945
Buku Teks
Intan Soeparna, author
University of Indonesia, Faculty of Law, 2012
Artikel Jurnal