Hague, D. (1977). managerial economics. Longman.
Chicago-čujuhus (17. p.)Hague, D. Managerial Economics. London: Longman, 1977.
MLA-čujuhus (9. p.)Hague, D. Managerial Economics. Longman, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.