APA Style

BREGT, A., BULENS, J. (1992). Crop production potential of rural areas within the European Communities. 1: GIS and data model . Werur: WRR.

MLA Style

BREGT, A.K.., BULENS, J.D.. "Crop production potential of rural areas within the European Communities. 1: GIS and data model". Werur: WRR, 1992. Text.