edited by Philip M. Hauser and Otis Dudley Duncan
The University of Chicago Press, 1959
Buku Teks
Yovita Elvie Setianingsih, author
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 2014
UI - Tesis (Membership)
by W. D. Borrie [and others]
UNESCO, 1957
Buku Teks
Woytinsky, W.S.
The Twentieth Century Fund, 1953
Buku Teks
United Nations
United Nations, 1986
Buku Teks