Juan Manuel Hernandez-Campoy, editor; Juan Camilo Conde-Silvestre, editor
Wiley-Blackwell, 2012
Buku Teks
Coulmas, Florian, author
Blackwell Publishers, 1998
Buku Teks
editor, Brian D. Joseph, Richard D. Janda
Blackwell Publishing, 2006
Buku Referensi
edited by Adam Ledgeway and Ian Roberts
Cambridge University Press, 2017
Buku Teks
Merja Kytö and Päivi Pahta edited by
Cambridge University Press, 2016
Buku Teks