Alioto, Robert F.
Harper & Row, 1971
Buku Teks
Rizal Alfian, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2011
UI - Tesis (Membership)
Jeanne H. Ballantine, Joan Z. Spade, editors
SAGE Publications, 2015
Buku Teks
Otto, Henry J.
Aplenton-Century-Crofts, 1964
Buku Teks
Pfeiffer, John, author
City The Odyssey Press , 1968
Buku Teks