Sebastian, T. (1989). Spy shadow. Delacorte Press, Bantam Books.
Lua i Stíl Chicago (17ú heag.)Sebastian, Tim. Spy Shadow. New York : Toronto: Delacorte Press, Bantam Books, 1989.
Lua MLA (8ú heag.)Sebastian, Tim. Spy Shadow. Delacorte Press, Bantam Books, 1989.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.