Brouwer, F., & Crabtree, B. (1999). Environmental indicators and agricultural policy. CABI Publishing.
Chicago Stili AlıntıBrouwer, Floor, ve Bob Crabtree. Environmental Indicators and Agricultural Policy. New York: CABI Publishing, 1999.
MLA AlıntıBrouwer, Floor, ve Bob Crabtree. Environmental Indicators and Agricultural Policy. CABI Publishing, 1999.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..