@book{87137,
	author = {MCDONALD, G. and WINKLEY, A.},
	title = {WHAT WORKS IN CHILD PROTECTION?},
	publisher = {BARNARDO`S},
	year = {1999},
	address = {ESSEX},
	url = {http://www.siis.net/documentos/Digitalizados/What Works in Child protection.pdf}
}