Mc Eachern William. (2014). Economics: A Contemporary Introduction (10th.). Cengage Learning.
Chicago-čujuhus (17. p.)Mc Eachern William. Economics: A Contemporary Introduction. 10th. Australia: Cengage Learning, 2014.
MLA-čujuhus (9. p.)Mc Eachern William. Economics: A Contemporary Introduction. 10th. Cengage Learning, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.