Wilcox, Clair, author
Macmillan, 1949
Buku Teks
Brown, William Adams.
Washington, D.C., Brookings Institution
Buku Teks
Mitra, Devashish, author
NJ World Scientific, 2016
Buku Teks
Bambang Sumarjono, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2009
UI - Tesis (Open)
Viner, Jocob
The Free Press , 1952
Buku Teks