Pindyck, R. S. Micro-Economics (7th edition.).
Chicago-čujuhus (17. p.)Pindyck, Robert S. Micro-Economics. 7th edition.
MLA-čujuhus (9. p.)Pindyck, Robert S. Micro-Economics. 7th edition.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.