?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.aufirst=G.W.&rft.aulast=Kreffer&rft.au=Kreffer%2C+G.W.&rft.title=Political+integration+in+the+Netherlands%3A+Citizens+with+an+immigrant+and+a+Dutch+background+compared.&rft.degree=Master&rft.date=2017