Pechman, Joseph A., author
Brookings Institution, 1987
Buku Teks
Walinsky, Louis J.
McGraw-Hill , 1963
Buku Teks
edited by Lewis M. Alexander
University of Rhode Island, 1970
Buku Teks
Hickman, Bert G., author
The Brooking Institution , 1965
Buku Teks
Fakultas Ekonomi dan Bisnis Universitas Indonesia, -
UI - Skripsi (Membership)