Não informado. (2000). Futures. Michigan Agricultural Experiment Station.
Chicagoスタイル(17版)引用形式Não informado. Futures. East Lansing, Mich: Michigan Agricultural Experiment Station, 2000.
MLA(8版)引用形式Não informado. Futures. Michigan Agricultural Experiment Station, 2000.
警告: この引用は必ずしも正確ではありません.