Brouwer, F., & Crabtree, B. (1999). Environmental indicators and agricultural policy. CABI Publishing.
Čikaški stil citiranjaBrouwer, Floor, i Bob Crabtree. Environmental Indicators and Agricultural Policy. New York: CABI Publishing, 1999.
MLA način citiranjaBrouwer, Floor, i Bob Crabtree. Environmental Indicators and Agricultural Policy. CABI Publishing, 1999.
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