Não informado. Rhode Island Resources. Rhode Island Agricultural Experiment Station.
Chicagoスタイル(17版)引用形式Não informado. Rhode Island Resources. Kingston, RI: Rhode Island Agricultural Experiment Station.
MLA(8版)引用形式Não informado. Rhode Island Resources. Rhode Island Agricultural Experiment Station.
警告: この引用は必ずしも正確ではありません.