Kohout, Frank J.
John Wiley & Sons, 1974
Buku Teks SO
Braybrooke, David
Free Press of Glencoe, 1963
Buku Teks SO
Abbott, Andrew
The University of Chicago Press, 2001
Buku Teks SO
Lerner, Berel Dov
Routledge , 2002
Buku Teks SO
Suma Riella Rusdiarti
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2004
UI - Tesis Membership