Chopra, R. (1985). Office management (4th.). Himalaya.
Chicago-čujuhus (17. p.)Chopra, R. Office Management. 4th. Bombay: Himalaya, 1985.
MLA-čujuhus (9. p.)Chopra, R. Office Management. 4th. Himalaya, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.