Não informado. (1980). Plant Disease. American Phytopathological Society.
Chicagoスタイル(17版)引用形式Não informado. Plant Disease. Saint Paul, Minn: American Phytopathological Society, 1980.
MLA(8版)引用形式Não informado. Plant Disease. American Phytopathological Society, 1980.
警告: この引用は必ずしも正確ではありません.