Perna. Preparing Today's Students for Tomorrow's Jobs in Metropolitan America. University of Pennsylvania Press.
Chicago-čujuhus (17. p.)Perna. Preparing Today's Students for Tomorrow's Jobs in Metropolitan America. University of Pennsylvania Press.
MLA-čujuhus (9. p.)Perna. Preparing Today's Students for Tomorrow's Jobs in Metropolitan America. University of Pennsylvania Press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.