Hall, D. E. Basic acoustics.
Lua i Stíl Chicago (17ú heag.)Hall, Donald E. Basic Acoustics.
Lua MLA (8ú heag.)Hall, Donald E. Basic Acoustics.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)