The Ministry of Foreign Affairs of the German Democratic Republic, 1961
Buku Teks
Purcell, Edward A.
The University Press, 1973
Buku Teks
Guruswamy, Laskshman
[Publisher not identified], 1994
Buku Teks
Simbolon, Alvin Christopher
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2021
UI - Tesis (Membership)
Reckless, Walter C.
Appleton-Century-Crofts, Inc., 1961
Buku Teks