Nelkon, M. (1975). C.S.E. Physics (3rd ed.). Hart-Davis.
Lua i Stíl Chicago (17ú heag.)Nelkon, M. C.S.E. Physics. 3rd ed. London: Hart-Davis, 1975.
Lua MLA (9ú heag.)Nelkon, M. C.S.E. Physics. 3rd ed. Hart-Davis, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.