1. Arvaniti, A. (2009). Rhythm, timing and the timing of rhythm. Phonetica, 66(1-2), 46–63.
2. Beaken, M. (1971). A study of phonological development in a primary school population of East London. Unpublished PhD thesis, University College London.
3. Britain, D. (2002a). Space and spatial diffusion. In J. K. Chambers, P. Trudgill, & N. Schilling-Estes (Eds.), The handbook of language variation and change (pp. 603–637). Oxford: Blackwell.
4. Britain, D. (2002b). Diffusion, levelling, simplification and reallocation in past tense BE in the English Fens. Journal of Sociolinguistics, 6(1), 16–43.
5. Chambers, J. K. (1995). Sociolinguistic theory: Linguistic variation and its social significance. Oxford: Blackwell.