Chopra,P.K. (2015). Office organisation & Management. Himalaya Publication.
Chicago-čujuhus (17. p.)Chopra,P.K. Office Organisation & Management. Mumbai: Himalaya Publication, 2015.
MLA-čujuhus (9. p.)Chopra,P.K. Office Organisation & Management. Himalaya Publication, 2015.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.