Jones, Francis Clifford
Royal Institute of International Affairs, 1949
Buku Teks
Penlington, John N.
Maruzen Company, 1932
Buku Teks
Matsuoka, Yosuke
The Herald of Asia, 1938
Buku Teks
Stimson, Henry L., author
Harper & Brothers, 1936
Buku Teks
Stimson, Henry L., author
Harper & Brothers, 1936
Buku Teks