upper lip

Sources

• MacKay 1989 186

  MACKAY, Ian. (1989) Phonetics and Speech Science. A Bilingual Dictionary. Dictionnaire Bilingue de la Phonétique et des Sciences de la Parole. New York/Bern: Peter Lang.

• ELL 4158

  The Encyclopedia of Language & Linguistics. (1994) Oxford: Pergamon Press.