Drucker, P. F. (2008). Managing in a time of great change. Jaico Publishing House.
Chicagoスタイル(17版)引用形式Drucker, Peter F. Managing in a Time of Great Change. Ahmedabad: Jaico Publishing House, 2008.
MLA(9版)引用形式Drucker, Peter F. Managing in a Time of Great Change. Jaico Publishing House, 2008.
警告: この引用は必ずしも正確ではありません.