Não informado. (1905). Circular. Connecticut Agricultural Experiment Station.
Chicagoスタイル(17版)引用形式Não informado. Circular. New Haven, Conn: Connecticut Agricultural Experiment Station, 1905.
MLA(8版)引用形式Não informado. Circular. Connecticut Agricultural Experiment Station, 1905.
警告: この引用は必ずしも正確ではありません.