Peterson. The City-State of Boston. Princeton University Press.
Chicago-čujuhus (17. p.)Peterson. The City-State of Boston. Princeton University Press.
MLA-čujuhus (9. p.)Peterson. The City-State of Boston. Princeton University Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.