Mansvelt, W.M.F. (William Maurits Frederik), author
The Hague Martinus Nijhoff, 1975
Buku Teks
Amsterdam Royal Tropical Institut (KIT) 1992,
Buku Teks
Yayasan Obor Indonesia , 1987
Buku Teks
edited by Anne Booth and Peter McCawley
Oxford University Press, 1981
Buku Teks
Davidson, Jamie S., author
Cambridge University Press, 2015
Buku Teks