WALKER, J. C. (1957). Plant pathology - John Charles Walker. McGraw Hill.
Chicagoスタイル(17版)引用形式WALKER, John Charles. Plant Pathology - John Charles Walker. McGraw Hill, 1957.
MLA(8版)引用形式WALKER, John Charles. Plant Pathology - John Charles Walker. McGraw Hill, 1957.
警告: この引用は必ずしも正確ではありません.