McConnell Campbell. (2013). Economics: Principles, Problem, and Policies. McGraw Hill.
Chicago-čujuhus (17. p.)McConnell Campbell. Economics: Principles, Problem, and Policies. New Delhi: McGraw Hill, 2013.
MLA-čujuhus (9. p.)McConnell Campbell. Economics: Principles, Problem, and Policies. McGraw Hill, 2013.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.