1. Anderson, Vicki (2011). Bidialectalism in intense language variety contact: An ‘unexpected’ development in the death of Pennsylvania Dutchified English. Unpublished PhD thesis. Bloomington, USA: Indiana University.
2. Bailey, Guy (2002). Real time and apparent time. In J. K. Chambers, Peter Trudgill and Natalie Schilling-Estes (eds), The Handbook of Language Variation and Change, 312–32. Oxford: Blackwell.
3. Barnes, Michael (1998). The Norn Language of Orkney and Shetland. Lerwick, UK: Shetland Times.
4. Beal, Joan (2009). Enregisterment, commodification and historical context: ‘Geordie’ versus ‘Sheffieldish’. American Speech, 84 (2): 138–56.
5. Buchstaller, Isabelle (2006). Social stereotypes, personality traits and regional perception displaced: Attitudes towards the ‘new’ quotatives in the UK. Journal of Sociolinguistics, 10 (3): 362–81.