Sandler, Wendy
Sign language and linguistic universals
Cambridge University Press, 2006
 Buku Teks SO
Sign language and linguistic universals / Wendy Sandler, Diane Lillo-Martin
Cambridge University Press, 2006
 eBooks
Greenberg, Joseph H. (Joseph Harold), 1915-2001
Language universals with special reference to feature hierarchies
Mounton, 1976
 Buku Teks SO
Jones, Mari C.
Exploring language change
Routledge , 2006
 Buku Teks SO
Bybee, Joan L.
Phonology and language use
Cambridge University Press, 2001
 eBooks