R.A. Disyacitta Nariswari
Variasi bahasa dan istilah pertanian di Kabupaten Karawang: sebuah kajian dialektologi = The variation of language and agricultural terms in Karawang regency: a dialectological study
Fakultas Ilmu Pengetahuan Budaya Universitas Indonesia, 2015
 UI - Tesis Membership
Coupland, Nikolas
Style : language variation and identity
Cambridge University Press, 2007
 eBooks
Bilingualisme dan variasi bahasa
penyunting Muhadjir, Basuki Suhardi
Fakultas Sastra Universitas Indonesia, 1990
 Buku Teks SO
Queen, Robin M. (Robin Michelle), 1966-,
Vox popular : the surprising life of language in the media
Wiley-Blackwell, 2015
 Buku Teks SO
Language acquisition and learnability
edited by Stefano Bertolo
Cambridge University Press, 2001
 eBooks