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.