CRAWFORD, C. M. New products management sixth ed. McGrow-Hill.
Chicagoスタイル(17版)引用形式CRAWFORD, C. Merle. New Products Management Sixth Ed. McGrow-Hill.
MLA(8版)引用形式CRAWFORD, C. Merle. New Products Management Sixth Ed. McGrow-Hill.
警告: この引用は必ずしも正確ではありません.