Niebuhr, A. (2002). Spatial Dependence of Regional Unemployment in the European Union.
Chicago-Zitierstil (17. Ausg.)Niebuhr, Annekatrin. Spatial Dependence of Regional Unemployment in the European Union. Hamburg, 2002.
MLA-Zitierstil (8. Ausg.)Niebuhr, Annekatrin. Spatial Dependence of Regional Unemployment in the European Union. 2002.
警告：这些引文格式不一定是100％准确.