APA
(1988). Ethanol:Economic and policy tradeoffs. New York: Departament of Agriculture.
Chicago
1988. Ethanol:Economic and policy tradeoffs. New York: Departament of Agriculture.
Harvard
(1988). Ethanol:Economic and policy tradeoffs. New York: Departament of Agriculture.
MLA
Ethanol:Economic and policy tradeoffs. New York: Departament of Agriculture. 1988.