Drucker, P. F. (1969). Preparing tommorrows business leaders today. Prentice Hall.
シカゴスタイル引用形Drucker, Peter F. Preparing Tommorrows Business Leaders Today. New Jersey: Prentice Hall, 1969.
MLA引用形式Drucker, Peter F. Preparing Tommorrows Business Leaders Today. Prentice Hall, 1969.
警告: この引用は必ずしも正確ではありません.