Schwab, K. (2016). The fourth industrial revolution (1.ed.). protfolio penguin.
芝加哥风格引文Schwab, Klaus. The Fourth Industrial Revolution. 1.ed. england: protfolio penguin, 2016.
MLA引文Schwab, Klaus. The Fourth Industrial Revolution. 1.ed. protfolio penguin, 2016.
警告：这些引文格式不一定是100％准确.