Farmer, J. (2013). Market force, ecology and evolution.
Chicago-čujuhus (17. p.)Farmer, J. Market Force, Ecology and Evolution. 2013.
MLA-čujuhus (9. p.)Farmer, J. Market Force, Ecology and Evolution. 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.