Oosterhaven, J. (1981). Some comments on the regional attraction model. Institute of Economic Research, Faculty of Economics, University of Groningen.
Citazione stile Chigago Style (17a edizione)Oosterhaven, Jan. Some Comments on the Regional Attraction Model. [Groningen]: Institute of Economic Research, Faculty of Economics, University of Groningen, 1981.
Citatione MLA (8a ed.)Oosterhaven, Jan. Some Comments on the Regional Attraction Model. Institute of Economic Research, Faculty of Economics, University of Groningen, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.