Gray, C. S. (1999). Modern strategy. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Gray, Colin S. Modern Strategy. Oxford: Oxford University Press, 1999.
Lua MLA (9ú heag.)Gray, Colin S. Modern Strategy. Oxford University Press, 1999.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.