Phonology and language use / Joan Bybee
Cambridge University Press, 2001
 eBooks
Labov, William
Principles of linguistic change; volume 2: social factors
Blackwell, 2001
 Buku Teks
Zsiga, Elizabeth C.
The sounds of language : an introduction to phonetics and phonology
West Sussex Wiley-Blackwell, 2013
 Buku Teks
Evolutionary phonology : the emergence of sound patterns / Juliette Blevins
Cambridge University Press, 2004
 eBooks
Syntactic change : a minimalist approach to grammaticalization / Ian Roberts and Anna Roussou.
Cambridge University Press, 2003
 eBooks