Gupta, A. K. (2016). Grassroots Innovation. Penguin Books.
Lua i Stíl Chicago (17ú heag.)Gupta, Anil K. Grassroots Innovation. Gurgaon: Penguin Books, 2016.
Lua MLA (9ú heag.)Gupta, Anil K. Grassroots Innovation. Penguin Books, 2016.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.