Sandford, J. (1998). Secret prey. G. P. Putnam's Sons, Berkley Books.
Lua i Stíl Chicago (17ú heag.)Sandford, John. Secret Prey. New York: G. P. Putnam's Sons, Berkley Books, 1998.
Lua MLA (8ú heag.)Sandford, John. Secret Prey. G. P. Putnam's Sons, Berkley Books, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.