DRUCKER, P. F., & DRUCKER, P. F. (1985). Innovation And Entrepreneurship. William Heinemann.
Chicagoスタイル(17版)引用形式DRUCKER, Peter F., , Peter F. DRUCKER. Innovation And Entrepreneurship. William Heinemann, 1985.
MLA(8版)引用形式DRUCKER, Peter F., , Peter F. DRUCKER. Innovation And Entrepreneurship. William Heinemann, 1985.
警告: この引用は必ずしも正確ではありません.