Nordhoff, Sebastian; Hammarström, Harald; Forkel, Robert; Haspelmath, Martin, eds. (2013). "Sundanese–Badui". Glottolog 2.2. Leipzig: Max Planck Institute for Evolutionary Anthropology. {{cite book}}: Invalid |display-editors=4 (help)
pikiran-rakyat.com
Muamar, Aam (2016-08-08). "Mempertahankan Eksistensi Bahasa Sunda" [Maintaining the existence of Sundanese Language]. Pikiran Rakyat (به اندونزیایی). Archived from the original on 27 September 2018. Retrieved 2018-09-27.
web.archive.org
Muamar, Aam (2016-08-08). "Mempertahankan Eksistensi Bahasa Sunda" [Maintaining the existence of Sundanese Language]. Pikiran Rakyat (به اندونزیایی). Archived from the original on 27 September 2018. Retrieved 2018-09-27.