APA
Bergh J. C. J. M., Nijkamp P, . (1990). Ecologically Sustainable Economic Development In A Regional System: A Case Study In Agricultural Development Planning In The Netherlands. Amsterdam: Free University.
Chicago
Bergh J C J M, Nijkamp P, . 1990. Ecologically Sustainable Economic Development In A Regional System: A Case Study In Agricultural Development Planning In The Netherlands. Amsterdam: Free University.
Harvard
Bergh J. C. J. M., Nijkamp P, . (1990). Ecologically Sustainable Economic Development In A Regional System: A Case Study In Agricultural Development Planning In The Netherlands. Amsterdam: Free University.
MLA
Bergh J C J M, Nijkamp P, . Ecologically Sustainable Economic Development In A Regional System: A Case Study In Agricultural Development Planning In The Netherlands. Amsterdam: Free University. 1990.