Professional Book Publishers. (2019). Copyright Act 1957 along with Copyright Rules, 2013 & International Copyright Order, 1999. Professional Book Publishers.
Chicago-čujuhus (17. p.)Professional Book Publishers. Copyright Act 1957 Along with Copyright Rules, 2013 & International Copyright Order, 1999. Delhi: Professional Book Publishers, 2019.
MLA-čujuhus (9. p.)Professional Book Publishers. Copyright Act 1957 Along with Copyright Rules, 2013 & International Copyright Order, 1999. Professional Book Publishers, 2019.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.