Mceachern. Principles of Microeconomics. Cengage.
Chicago-čujuhus (17. p.)Mceachern. Principles of Microeconomics. Australia: Cengage.
MLA-čujuhus (9. p.)Mceachern. Principles of Microeconomics. Cengage.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.