Eckstein, Alexander, author
Free Press, 1961
Buku Teks
Hansen, Alvin Harvey, 1887-1975, author
W.W. Norton, 1951
Buku Teks
Usher, Dan
Clarendon Press, 1968
Buku Teks
Muhammad Fakhri Marzuki, author
2018
UI - Skripsi (Membership)
by United Nation
United Nations, 1991
Buku Teks