Não informado. (2001). Technical bulletin. North Carolina Agricultural Experiment Station.
Chicagoスタイル(17版)引用形式Não informado. Technical Bulletin. Raleigh, NC: North Carolina Agricultural Experiment Station, 2001.
MLA(8版)引用形式Não informado. Technical Bulletin. North Carolina Agricultural Experiment Station, 2001.
警告: この引用は必ずしも正確ではありません.