Crystal, David, 1941-
Language death
Cambridge University Press, 2005
 Buku Teks SO
Crystal, David, 1941-
Language death
Cambridge University Press, 2004
 Buku Teks SO
Language death / David Crystal
Cambridge University Press, 2004
 eBooks
Language maintenance and language shift : linguistic consequences in multillingual setting
 Artikel Jurnal
Siti Suharsih
Pemertahanan Bahasa Jawa dialek Banten di Provinsi Banten = Banten Javanese Language Maintenance in Banten Province
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2019
 UI - Disertasi Membership