kale, N. (2007). Organisation of commerce and management std XI (3rd.). Vipul.
Chicago-čujuhus (17. p.)kale, N. Organisation of Commerce and Management Std XI. 3rd. Mumbai: Vipul, 2007.
MLA-čujuhus (9. p.)kale, N. Organisation of Commerce and Management Std XI. 3rd. Vipul, 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.