DRUCKER PETER F. (2004). INNOVATION AND ENTREPRENURSHIP. ELSEVIER.
芝加哥风格引文DRUCKER PETER F. INNOVATION AND ENTREPRENURSHIP. AMSTERDAM: ELSEVIER, 2004.
MLA引文DRUCKER PETER F. INNOVATION AND ENTREPRENURSHIP. ELSEVIER, 2004.
警告：这些引文格式不一定是100％准确.
APA引文