Karlan, D. S., & Morduch, J. Economics (Second Edition.).
Chicago-čujuhus (17. p.)Karlan, Dean S., juo Jonathan Morduch. Economics. Second Edition.
MLA-čujuhus (9. p.)Karlan, Dean S., juo Jonathan Morduch. Economics. Second Edition.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.