Brouwer, F., & Crabtree, B. (1999). Environmental indicators and agricultural policy. CABI Publishing.
استشهاد بنمط شيكاغوBrouwer, Floor, و Bob Crabtree. Environmental Indicators and Agricultural Policy. New York: CABI Publishing, 1999.
MLA استشهادBrouwer, Floor, و Bob Crabtree. Environmental Indicators and Agricultural Policy. CABI Publishing, 1999.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.