Coulmas, Florian, author
Blackwell Publishers, 1998
Buku Teks
Juan Manuel Hernandez-Campoy, editor; Juan Camilo Conde-Silvestre, editor
Wiley-Blackwell, 2012
Buku Teks
Rajend Mesthrie, editor
Cambridge University Press, 2011
Buku Teks
Mesthrie, Rajend, editor
Cambridge University Press, 2011
eBooks
edited by Ulrich Ammon, Norbert Dittmar, Klaus J. Mattheier
Walter de Gruyter, 1987
Buku Referensi