Northrop, F. S. C., author
Macmillan, 1954
Buku Teks
Haviland, H. Field, author
The Brooking Institution, 1960
Buku Teks
Sri Lestari, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2017
UI - Tesis (Membership)
Brookings institution, 1949
Buku Teks
Brokings Institution, 1950
Buku Teks