Vacca, J. R. (2007). Biometric technologies and verification systems. Butterworth- Heinemann.
Chicago Edition CitationVacca, John R. Biometric Technologies and Verification Systems. Burlington: Butterworth- Heinemann, 2007.
MLA Edition CitationVacca, John R. Biometric Technologies and Verification Systems. Butterworth- Heinemann, 2007.
Warning: These citations may not always be 100% accurate.