by L. C. Dunn [and others]
The Unesco Press, 1956
Buku Teks SO
Soemitro Djojohadikusumo
Institute for Economic and Social Research, Education, and Information, 1977
Buku Teks
Watanuki, Joji
University of Tokyo Press, 1977
Buku Teks SO
Al Muhdil Karim
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2016
UI - Tesis Membership
Trilling, Lionel
Viking Press, 1951
Buku Teks SO