Weintraub, Sidney
Chilton, 1958
Buku Teks
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 1993
UI - Skripsi (Membership)
edited by John Friedmann and William Alonso
MIT Press, 1965
Buku Teks
American Economic Association
Richard D. Irwin, 1951
Buku Teks
Awaludin Aji Riadi
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2014
UI - Tesis (Membership)