Hewings, G. J. (1985). Regional input-output analysis. Sage.
Chicago-čujuhus (17. p.)Hewings, Geoffrey J.D. Regional Input-output Analysis. -Beverly Hills, Calif.: Sage, 1985.
MLA-čujuhus (9. p.)Hewings, Geoffrey J.D. Regional Input-output Analysis. Sage, 1985.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.