Milbank Memorial Fund , 1950
Buku Teks
edited by Ruth Gruber
Basic Books, 1961
Buku Teks
Sri Hayati, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2012
UI - Tesis (Open)
edited by Edward H. Spicer
Russell Sage Foundation, 1952
Buku Teks
Muhammad Agung Persada Bangun, author
2017
UI - Skripsi (Membership)