by John S. Wright ... [et.al.]
McGraw-Hill, 1977
Buku Teks
Pandit Sumawinata, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 1988
UI - Skripsi (Membership)
Alexandra Cindy, author
2008
UI - Tesis (Open)
Bovee, Courtland L., author
Richard D. Irwin, 1989
Buku Teks
Dyer, Gillian
Routledge, 1996
Buku Teks