Bilgere, G. (2014). Imperial. University of Pittsburgh Press.
Chicago-čujuhus (17. p.)Bilgere, George. Imperial. Pittsburgh, Pennsylvania: University of Pittsburgh Press, 2014.
MLA-čujuhus (9. p.)Bilgere, George. Imperial. University of Pittsburgh Press, 2014.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.