Não informado. (1965). Technical bulletin. Maine Agricultural Experiment Station.
Chicagoスタイル(17版)引用形式Não informado. Technical Bulletin. Orono, Me: Maine Agricultural Experiment Station, 1965.
MLA(8版)引用形式Não informado. Technical Bulletin. Maine Agricultural Experiment Station, 1965.
警告: この引用は必ずしも正確ではありません.