Martin C. Moore-Ede, F. M. S. (1982). The clocks that time us. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Martin C. Moore-Ede, Frank M. Sulzman. The Clocks That Time Us. Harvard University Press, 1982.
Lua MLA (8ú heag.)Martin C. Moore-Ede, Frank M. Sulzman. The Clocks That Time Us. Harvard University Press, 1982.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.