Language Change and Linguistic Theory, Volume I: Approaches, Methodology, and Sound Change. : Oxford University Press, 2010-08-29. Oxford Scholarship Online. 2011-01-01. Date Accessed 19 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199583423.001.0001/acprof-9780199583423>.
(2010-08-29). Language Change and Linguistic Theory, Volume I: Approaches, Methodology, and Sound Change. : Oxford University Press. Retrieved 19 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199583423.001.0001/acprof-9780199583423.
Language Change and Linguistic Theory, Volume I: Approaches, Methodology, and Sound Change. : Oxford University Press, 2010-08-29. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199583423.001.0001/acprof-9780199583423.
Miller DG. Language Change and Linguistic Theory, Volume I: Approaches, Methodology, and Sound Change. Oxford University Press; 2010. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199583423.001.0001/acprof-9780199583423. Accessed May 19, 2013.