Viking Press, 1949
Buku Teks
Princeton University Press , 1999
Buku Teks
York Penguin Book , 1965
Buku Teks
Boeke, J.H., author
Institute of pacific relations, 1946
Buku Teks
Pieter Honig, Frans Verdoorn, edited
Board for the Netherlands Indies , 1945
Buku Referensi