索姆 & 柯娜尔. (2016). 德国制造业创新之谜: Low-tech innovation: competitiveness of the German manufacturing sector. 人民邮电出版社.
Chicago Style (17th ed.) Citation索姆 and 柯娜尔. 德国制造业创新之谜: Low-tech Innovation: Competitiveness of the German Manufacturing Sector. 人民邮电出版社, 2016.
MLA (8th ed.) Citation索姆 and 柯娜尔. 德国制造业创新之谜: Low-tech Innovation: Competitiveness of the German Manufacturing Sector. 人民邮电出版社, 2016.
Warning: These citations may not always be 100% accurate.