Não informado. (1953). Maine farm research. Maine Agricultural Experiment Station.
Chicagoスタイル(17版)引用形式Não informado. Maine Farm Research. Orono, Me: Maine Agricultural Experiment Station, 1953.
MLA(8版)引用形式Não informado. Maine Farm Research. Maine Agricultural Experiment Station, 1953.
警告: この引用は必ずしも正確ではありません.