Verma, J. (1979). Managerial Economics. Lawrence Pub.
Chicago-čujuhus (17. p.)Verma, J. Managerial Economics. New Delhi: Lawrence Pub, 1979.
MLA-čujuhus (9. p.)Verma, J. Managerial Economics. Lawrence Pub, 1979.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.