Bibliografi Vokal_tak_bundar_belakang_luas

  • Fougeron, Cecile & Caroline L Smith (1993), "Illustrations of the IPA:French", Journal of the International Phonetic Association 23 (2): 73-76
  • Jones, Daniel & Ward Dennis (1969), The Phonetics of Russian, Cambridge University Press
  • Shosted, Ryan K. & Chikovani Vakhtang (2006), "Standard Georgian", Journal of the International Phonetic Association 36 (2): 255-264
  • Thelwall, Robin (1990), "Illustrations of the IPA: Arabic", Journal of the International Phonetic Association 20 (2): 37-41