APA (7e ed.) Bronvermelding

den Butter, F., & Blien, U. (2003). Labour participation and unempoyment; a comparison of developments and institutions in Germany and The Netherlands. WRR.

Chicago (17e ed.) Bronvermelding

den Butter, F.A.G, en U. Blien. Labour Participation and Unempoyment; a Comparison of Developments and Institutions in Germany and The Netherlands. WRR, 2003.

MLA (9e ed.) Bronvermelding

den Butter, F.A.G, en U. Blien. Labour Participation and Unempoyment; a Comparison of Developments and Institutions in Germany and The Netherlands. WRR, 2003.