A Guide to the Worlds Languages

Antzeko izenburuak

• The Language of the World
  nork: Ketzner, Kenneth
  Argitaratua: (1977)
• Language of the world
  nork: Katzner, Kenneth
  Argitaratua: (2002)
• The Worlds Major Languages
  Argitaratua: (1987)
• An Introduction to the Languages of the World
  nork: Lyovin, Anatole V.
  Argitaratua: (1997)
• One Language for the World and how to achieve it
  nork: Pei, Mario
  Argitaratua: (1981)