Deleu, Josef, chief editor
Flemish-Netherlands Foundation, 1993
Buku Referensi
Deleu, Josef, chief editor
Flemish-Netherlands Foundation, 1994
Buku Referensi
Vilsen, Luc
Descle de Brouwer, 1969
Buku Teks
Ministry of Foreign Affairs Netherlands, Communication Division (DVL/VB) ,
Buku Teks
Edited by Jeroen van de Weijer, Bettelou Los
John Benjamin Publishing Company, 2006
Buku Teks