Ostler, N. (2005). Empires of the word: A language history of the world (1st American ed.). HarperCollins Publishers.
Lua i Stíl Chicago (17ú heag.)Ostler, Nicholas. Empires of the Word: A Language History of the World. 1st American ed. New York: HarperCollins Publishers, 2005.
Lua MLA (8ú heag.)Ostler, Nicholas. Empires of the Word: A Language History of the World. 1st American ed. HarperCollins Publishers, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.