SUTTON, R. M. The physics of space. Holt.
Lua i Stíl Chicago (17ú heag.)SUTTON, Richard M. The Physics of Space. New York: Holt.
Lua MLA (9ú heag.)SUTTON, Richard M. The Physics of Space. Holt.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.