The Pennsylvania Magazine of History and Biography. University of Pennsylvania Press.
Chicago-čujuhus (17. p.)The Pennsylvania Magazine of History and Biography. University of Pennsylvania Press.
MLA-čujuhus (9. p.)The Pennsylvania Magazine of History and Biography. University of Pennsylvania Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.