APA-ийн эшлэл(7 дахь хэвлэлт)

Tumber, C. (2012). Small, gritty, and green: The promise of America's smaller industrial cities in a low-carbon world. MIT Press.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

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 -ийн эшлэл (9 дэх хэвлэлт)

Tumber, Catherine. Small, Gritty, and Green: The Promise of America's Smaller Industrial Cities in a Low-carbon World. MIT Press, 2012.