@book{390585,
	author = {REINO UNIDO, National Policing Improvement Agency},
	title = {Facial identification guidance},
	publisher = {NPIA ; ACPO},
	year = {2009},
	address = {London},
	note = {Produced [by NPIA] on behalf of the Association of Chief Police Officers (ACPO). Ficheiro de 1,64 Mb em formato pdf (45 p.). Disponível em: https://npia.police.uk/en/docs/Facial_ID.pdf. Acedido em 18 de Janeiro de 2012.}
}