Smith, C., & Sugar, S. (1979). Phonetic primers. Educators Publishing Service, Inc..
Lua i Stíl Chicago (17ú heag.)Smith, Carolyn, agus Suzanne Sugar. Phonetic Primers. [Cambridge, Mass.]: Educators Publishing Service, Inc., 1979.
Lua MLA (8ú heag.)Smith, Carolyn, agus Suzanne Sugar. Phonetic Primers. Educators Publishing Service, Inc., 1979.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.