Cook, R. (1995). Contagion. Putnam, Berkley Books.
Lua i Stíl Chicago (17ú heag.)Cook, Robin. Contagion. New York: Putnam, Berkley Books, 1995.
Lua MLA (8ú heag.)Cook, Robin. Contagion. Putnam, Berkley Books, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.