Cohen, E. R. (1957). The fundamental constants of physics. Interscience Publishers.
Lua i Stíl Chicago (17ú heag.)Cohen, E. Richard. The Fundamental Constants of Physics. New York: Interscience Publishers, 1957.
Lua MLA (8ú heag.)Cohen, E. Richard. The Fundamental Constants of Physics. Interscience Publishers, 1957.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.