Conway, E. 50 Economics Ideas You Really Need to Know. Quercus.
Chicago-čujuhus (17. p.)Conway, Edmund. 50 Economics Ideas You Really Need to Know. Quercus.
MLA-čujuhus (9. p.)Conway, Edmund. 50 Economics Ideas You Really Need to Know. Quercus.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.