Siwel, L. (1987). The magic of physics. Macmillan.
Lua i Stíl Chicago (17ú heag.)Siwel, L. The Magic of Physics. London: Macmillan, 1987.
Lua MLA (9ú heag.)Siwel, L. The Magic of Physics. Macmillan, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.