Nelkon, M. (1974). Exercises in ordinary level physics. Chatto and Windus.
Lua i Stíl Chicago (17ú heag.)Nelkon, M. Exercises in Ordinary Level Physics. Oxford: Chatto and Windus, 1974.
Lua MLA (9ú heag.)Nelkon, M. Exercises in Ordinary Level Physics. Chatto and Windus, 1974.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.