edited by Emile Woolf
Pitman, 1986
Buku Teks SO
Intersentia, 2017
eBooks
Zariani
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2004
UI - Tesis Membership
Hancock, Dora
Chapman and Hall, 1994
Buku Teks SO
Nolledo, Jose N.
Philippine Graphic Arts, 1971
Buku Teks SO