Artikel Jurnal
United Nations
United Nations, 1987
Buku Teks
Brown, Lester R.
W.W. Norton & Company, Inc., 1974
Buku Teks
Nathanael Iskandar, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1970
UI - Disertasi (Membership)
Borrie, W.B., author
Weidenfeld and Nicolson, 1970
Buku Teks