Sky, T. (2011). The National Road and the difficult path to sustainable national investment. University of Delaware Press.
Chicago-čujuhus (17. p.)Sky, Theodore. The National Road and the Difficult Path to Sustainable National Investment. Newark: University of Delaware Press, 2011.
MLA-čujuhus (9. p.)Sky, Theodore. The National Road and the Difficult Path to Sustainable National Investment. University of Delaware Press, 2011.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.