Heath, E. (1970). Old world, new horizons Britain, Europe, and the Atlantic Alliance. Harvard University Press.
Lua i Stíl Chicago (17ú heag.)Heath, Edward. Old World, New Horizons Britain, Europe, and the Atlantic Alliance. Cambridge, Mass: Harvard University Press, 1970.
Lua MLA (9ú heag.)Heath, Edward. Old World, New Horizons Britain, Europe, and the Atlantic Alliance. Harvard University Press, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.