Ilian George. (2017). Top Visionaries Who Changed The World. Jaico Publishing House.
Chicago-referens (17:e uppl.)Ilian George. Top Visionaries Who Changed The World. Ahmedabad: Jaico Publishing House, 2017.
MLA-referens (9:e uppl.)Ilian George. Top Visionaries Who Changed The World. Jaico Publishing House, 2017.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.