What is dialect? Revisiting the Midland. Murray, T. E. and Simon, B. L. In Murray, T. E. and Simon, B. L., editors, Language variation and change in the American Midland: A new look at 'Heartland' English, of Varieties of English Around the World, pages 1–30. John Benjamins, Amsterdam, 2006.
bibtex   
@incollection{murray_what_2006,
	address = {Amsterdam},
	series = {Varieties of {English} {Around} the {World}},
	title = {What is dialect? {Revisiting} the {Midland}},
	isbn = {978-90-272-4896-1},
	number = {G36},
	booktitle = {Language variation and change in the {American} {Midland}: {A} new look at '{Heartland}' {English}},
	publisher = {John Benjamins},
	author = {Murray, Thomas E. and Simon, Beth Lee},
	editor = {Murray, Thomas E. and Simon, Beth Lee},
	year = {2006},
	keywords = {2016 Seminar, All the further, Dialects, English language, Middle West, Variation},
	pages = {1--30},
}