Macro Economics. w.w.norton & company.
Chicago-čujuhus (17. p.)Macro Economics. new york: w.w.norton & company.
MLA-čujuhus (9. p.)Macro Economics. w.w.norton & company.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.