Vernadsky, George
Yele University Press, 1953
Buku Teks SO
Matsuoka, Yosuke
The Herald of Asia, 1938
Buku Teks SO
Jones, Francis Clifford
Royal Institute of International Affairs, 1949
Buku Teks SO
Amitai, Reuven
Ashage, 2007
Buku Teks SO
Sukarmiati
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 1991
UI - Skripsi Membership