MLA

De Koning, J. Guaranteed Minimum Income Arrangements In the Netherlands, Belgium, Denmark, France, Germany and Great Britain. 's-Gravenhage, .

APA

De Koning, J. Guaranteed minimum income arrangements in the Netherlands, Belgium, Denmark, France, Germany and Great Britain. 's-Gravenhage.

Chicago

De Koning, J. Guaranteed Minimum Income Arrangements In the Netherlands, Belgium, Denmark, France, Germany and Great Britain. 's-Gravenhage, .