Ward, E. H. (1966). Senior physics. Thomas Nelson & Sons.
Lua i Stíl Chicago (17ú heag.)Ward, E. H. Senior Physics. London: Thomas Nelson & Sons, 1966.
Lua MLA (9ú heag.)Ward, E. H. Senior Physics. Thomas Nelson & Sons, 1966.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.