Boylan, P. J. (1958). Elements of physics. Allyn and Bacon.
Lua i Stíl Chicago (17ú heag.)Boylan, Paul J. Elements of Physics. Boston: Allyn and Bacon, 1958.
Lua MLA (9ú heag.)Boylan, Paul J. Elements of Physics. Allyn and Bacon, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.