French, A. P. (1971). Vibrations and waves. Norton; CBS publilshers & distributers.
Lua i Stíl Chicago (17ú heag.)French, A. P. Vibrations and Waves. New York, New Delhi: Norton; CBS publilshers & distributers, 1971.
Lua MLA (8ú heag.)French, A. P. Vibrations and Waves. Norton; CBS publilshers & distributers, 1971.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.