Gupta, A. K. (2016). Grassroots Innovation. Penguin Books.
芝加哥风格引文Gupta, Anil K. Grassroots Innovation. Gurgaon: Penguin Books, 2016.
MLA引文Gupta, Anil K. Grassroots Innovation. Penguin Books, 2016.
警告：这些引文格式不一定是100％准确.
APA引文