DRUCKER PETER F. (1985). INNOVATION AND ENTREPRENEURSHIP. WILLIAM HEINEMANN LTD.
芝加哥风格引文DRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP. LONDON: WILLIAM HEINEMANN LTD, 1985.
MLA引文DRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP. WILLIAM HEINEMANN LTD, 1985.
警告：这些引文格式不一定是100％准确.