McDevitt, J. (2005). Polaris = Polaris <engl.>: Jack McDevitt. Ace Books.
Lua i Stíl Chicago (17ú heag.)McDevitt, Jack. Polaris = Polaris <engl.>: Jack McDevitt. New York: Ace Books, 2005.
Lua MLA (8ú heag.)McDevitt, Jack. Polaris = Polaris <engl.>: Jack McDevitt. Ace Books, 2005.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.