@inbook{De Valk2012,
author = {De Valk, H. and Willaert, D.},
title= {Internal mobility of international migrants: The case of Belgium},
year = {2012},
editor = {Finney, N.},
editor = {Catney, G.},
booktitle = {Minority internal migration in Europe},
address = {Surrey},
publisher = {Ashgate Publishing},
pages = {13--38},
}