Não informado. (2000). Bulletin. Minnesota Agricultural Experiment Station.
Chicagoスタイル(17版)引用形式Não informado. Bulletin. Saint Paul, Minn: Minnesota Agricultural Experiment Station, 2000.
MLA(8版)引用形式Não informado. Bulletin. Minnesota Agricultural Experiment Station, 2000.
警告: この引用は必ずしも正確ではありません.