Gold, Joseph
International Monetary Fund, 1980
Buku Teks
International Labour Office , 1985
Buku Teks
Universitas Indonesia, 1985
UI - Skripsi (Membership)
Horie, Shigeo, author
St. Mariua Press, 1964
Buku Teks
Aufricht, Hans, author
Frederick A. Praeger, 1964
Buku Teks