Dyfyniad APA

Brouwer, F., & Crabtree, B. (1999). Environmental indicators and agricultural policy. CABI Publishing.

Dyfyniad Arddull Chicago

Brouwer, Floor, and Bob Crabtree. Environmental Indicators and Agricultural Policy. New York: CABI Publishing, 1999.

Dyfyniad MLA

Brouwer, Floor, and Bob Crabtree. Environmental Indicators and Agricultural Policy. CABI Publishing, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.