Noriah Taslim
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1991
UI - Tesis Membership
Hofstetter, Fred Thomas, 1949-
McGraw-Hill, 1995
Buku Teks
edited by, Frances Christie and Ray Misson
Routledge, 1998
Buku Teks
London, 2004
Buku Teks
Potter, W. James
Sage, 2005
Buku Teks