Não informado. (1949). South Dakota Farm & Home Research. South Dakota Agricultural Experiment Station.
Chicagoスタイル(17版)引用形式Não informado. South Dakota Farm & Home Research. Brookings, SD: South Dakota Agricultural Experiment Station, 1949.
MLA(8版)引用形式Não informado. South Dakota Farm & Home Research. South Dakota Agricultural Experiment Station, 1949.
警告: この引用は必ずしも正確ではありません.