Não informado. (2000). Technical bulletin. Oklahoma Agricultural Experiment Station.
Chicagoスタイル(17版)引用形式Não informado. Technical Bulletin. Stillwater, Okla: Oklahoma Agricultural Experiment Station, 2000.
MLA(8版)引用形式Não informado. Technical Bulletin. Oklahoma Agricultural Experiment Station, 2000.
警告: この引用は必ずしも正確ではありません.