Newsham, I. (1996). The peace ring. Cambridge University Press ; Cambridge University Press India.
Lua i Stíl Chicago (17ú heag.)Newsham, Ian. The Peace Ring. Cambridge : New Delhi: Cambridge University Press ; Cambridge University Press India, 1996.
Lua MLA (8ú heag.)Newsham, Ian. The Peace Ring. Cambridge University Press ; Cambridge University Press India, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.