Carlin, B. (1960). Ultrasonics (second.). McGraw-Hill Book Company, INC.
Lua i Stíl Chicago (17ú heag.)Carlin, Banson. Ultrasonics. second. New York: McGraw-Hill Book Company, INC, 1960.
Lua MLA (9ú heag.)Carlin, Banson. Ultrasonics. second. McGraw-Hill Book Company, INC, 1960.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.