edited by Senth Tyler
Kluwer Academic, 1991
Buku Teks
F.W. Chesire, 1968
Buku Teks
Didit Dwi Subagio, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1987
UI - Skripsi (Membership)
edited by Norman M. Edelstein
Pergamon Press, 1982
Buku Teks
Broeze, Frank J.A., author
[Publisher not identified], 1974
Buku Teks