Keat, Paul G.
Pearson Education (Prentice-Hall), 2009
Buku Teks SO
Bambang Sulistyanto
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2008
UI - Disertasi Open
Alkin, Marvin C.
Sage, 1985
Buku Teks
edited by Dwaine Marvick
Free Press, 1961
Buku Teks SO
Depok : FT-UI, 2002,
Majalah, Jurnal, Buletin