Warford, Jeremy J., author
Brookings Institution, 1971
Buku Teks
Kartika Cittaphalita Wedy, author
Universitas Indonesia, 2013
UI - Tesis (Membership)
edited by Talcott Parsons ... [and others]
Free Press, 1965
Buku Teks
Shepherd, William G., author
Richard D. Irwin, 1979
Buku Teks
by Frank B. Feigert ... [et al.] ; edited by Don C. Piper and Ronald J. Terchek
American Enterprise Institute for Public Policy Research, 1983
Buku Teks