Rachwald, Arthur R.
Westview Press, 1983
Buku Teks
Wynot, Edward D., author
University of Georgia Press, 1974
Buku Teks
Kurski, Jaroslaw
Westview Press, 1993
Buku Teks
Jugoslovenski pregled , 1979
Buku Teks
Fauzia Fadila, author
2017
UI - Skripsi (Membership)