Gopalkrishna, D. (1994). Study of Managerial Economics. Himalaya Publishing House.
Chicago-čujuhus (17. p.)Gopalkrishna, D. Study of Managerial Economics. Mumbai: Himalaya Publishing House, 1994.
MLA-čujuhus (9. p.)Gopalkrishna, D. Study of Managerial Economics. Himalaya Publishing House, 1994.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.