Bartels, C. P. A. (1976). The structure of regional unemployment in the Netherlands. Faculty of Economics, University of Groningen.
Citazione stile Chigago Style (17a edizione)Bartels, Cornelis P. A. The Structure of Regional Unemployment in the Netherlands. Groningen: Faculty of Economics, University of Groningen, 1976.
Citatione MLA (8a ed.)Bartels, Cornelis P. A. The Structure of Regional Unemployment in the Netherlands. Faculty of Economics, University of Groningen, 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.