Federal Ministry for Expelles, Refugees and War Victims, [date of publication not identified]
Buku Teks
Fischer, Fritz, author
W. W. Norton, 1974
Buku Teks
Hidayanti, author
2001
UI - Skripsi (Membership)
Tuty Herijanty Kiman, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1981
UI - Skripsi (Membership)
Shinta Kristianti, author
1998
UI - Skripsi (Membership)