Não informado. (1891). Bulletin of the Washington Agricultural Experiment Station. Washington Agricultural Experiment Station.
Chicagoスタイル(17版)引用形式Não informado. Bulletin of the Washington Agricultural Experiment Station. Pullman, Wash: Washington Agricultural Experiment Station, 1891.
MLA(8版)引用形式Não informado. Bulletin of the Washington Agricultural Experiment Station. Washington Agricultural Experiment Station, 1891.
警告: この引用は必ずしも正確ではありません.