Davies, J. (1977). Managerial Economics. Macdonald & Evans.
Chicago-čujuhus (17. p.)Davies, J. Managerial Economics. NULL: Macdonald & Evans, 1977.
MLA-čujuhus (9. p.)Davies, J. Managerial Economics. Macdonald & Evans, 1977.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.