@book{384160,
	author = {CLARKE, Ronald V. and ECK, John E.},
	title = {Crime analysis for problem solvers in 60 small steps},
	publisher = {Office of Community Oriented Policing Services. U.S. Department of Justice},
	year = {2005},
	address = {Washington, DC},
	note = {Ficheiro de 982 Kb em formato pdf (150 p.). Disponível também em: https://www.popcenter.org/library/reading/PDFs/60steps.pdf. Acedido em 20 de Janeiro de 2010.}
}