Labov, William, Sharon Ash & Charles Boberg. 2006. The atlas of North American English. Berlin/New York: Berlin: Mouton~de~Gruyter. xvi+318pp.
@book{563744,
address = {Berlin/New York},
author = {Labov, William and Ash, Sharon and Boberg, Charles},
pages = {xvi+318},
publisher = {Berlin: Mouton~de~Gruyter},
title = {The atlas of North American English},
year = {2006},
hhtype = {overview;comparative},
inlg = {English [eng]},
src = {hh, ludger-paschen-germanic},
subtitle = {Phonetics, phonology and sound change}
}