Orentlicher. Two Presidents Are Better Than One. NYU Press.
Chicago-čujuhus (17. p.)Orentlicher. Two Presidents Are Better Than One. NYU Press.
MLA-čujuhus (9. p.)Orentlicher. Two Presidents Are Better Than One. NYU Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.