Tumber, C. (2012). Small, gritty, and green: The promise of America's smaller industrial cities in a low-carbon world. MIT Press.
Chicago-čujuhus (17. p.)Tumber, Catherine. Small, Gritty, and Green: The Promise of America's Smaller Industrial Cities in a Low-carbon World. Cambridge, Mass.: MIT Press, 2012.
MLA-čujuhus (9. p.)Tumber, Catherine. Small, Gritty, and Green: The Promise of America's Smaller Industrial Cities in a Low-carbon World. MIT Press, 2012.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.