Viney, P., & Roberts, T. (1997). Space Affair. Oxford University Press.
Lua i Stíl Chicago (17ú heag.)Viney, Peter, agus Tony Roberts. Space Affair. Oxford: Oxford University Press, 1997.
Lua MLA (9ú heag.)Viney, Peter, agus Tony Roberts. Space Affair. Oxford University Press, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.