Bolle, R. M. (2004). Guide to biometrics. Springer.
Lua i Stíl Chicago (17ú heag.)Bolle, Ruud M. Guide to Biometrics. New York: Springer, 2004.
Lua MLA (8ú heag.)Bolle, Ruud M. Guide to Biometrics. Springer, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.