@book{390582,
	author = {REINO UNIDO, National Policing Improvement Agency},
	title = {Guidance on protecting the public},
	publisher = {NPIA ; ACPO},
	year = {2010},
	address = {London},
	edition = {2nd ed., version 2},
	note = {Produced on behalf of the Association of Chief Police Officers (ACPO). Ficheiro de 1,37 Mb em formato pdf (247 p.). Também disponível em: https://www.acpo.police.uk/documents/crime/2010/20110301%20CBA%20ACPO%20(2010)%20Guidance%20on%20Protecting%20the%20Public%20v2%20main%20version.pdf. Acedido a 24 de janeiro de 2012.}
}