APA-čujuhus (7. p.)
Twain, M. (2001). Political economy. Alex Catalogue.
Chicago-čujuhus (17. p.)
Twain, Mark. Political Economy. Raleigh, NC: Alex Catalogue, 2001.
MLA-čujuhus (9. p.)
Twain, Mark. Political Economy. Alex Catalogue, 2001.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.