Preston, R. (1997). The cobra event: A novel. Random House.
Lua i Stíl Chicago (17ú heag.)Preston, Richard. The Cobra Event: A Novel. New York: Random House, 1997.
Lua MLA (9ú heag.)Preston, Richard. The Cobra Event: A Novel. Random House, 1997.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.