Boyce, Peter John
University of Queensland Press, 1977
Buku Teks
Meyer, Stephenie, 1973-, author
Gramedia Pustaka Utama, 2009
Buku Teks
Thakur, Ramesh
London: Westview Press, 1986,
Buku Referensi
Alisya Pratiwi, author
Fakultas Ilmu Administarsi Universitas Indonesia, 2020
UI - Skripsi (Membership)
Finkelstein, Ellis
Avebury, 1993
Buku Teks