Roy, R. (2011). Entrepreneurship (2nd.). Oxford University Press.
Chicago-čujuhus (17. p.)Roy, Rajeev. Entrepreneurship. 2nd. New Delhi: Oxford University Press, 2011.
MLA-čujuhus (9. p.)Roy, Rajeev. Entrepreneurship. 2nd. Oxford University Press, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.