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
Style : language variation and identity / Nikolas Coupland
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