Roy, R. (2011). Entrepreneurship (2nd.). Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Roy, Rajeev. Entrepreneurship. 2nd. New Delhi: Oxford University Press, 2011.
Lua MLA (9ú heag.)Roy, Rajeev. Entrepreneurship. 2nd. Oxford University Press, 2011.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.