Professional. (2004). The Patent Act-1970. Professional.
Chicago-čujuhus (17. p.)Professional. The Patent Act-1970. New Delhi: Professional, 2004.
MLA-čujuhus (9. p.)Professional. The Patent Act-1970. Professional, 2004.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.