@book{220884,
	author = {Sevel, Judith. and Cummins, Linda.},
	title = {Social work skills demonstrated},
	publisher = {Allyn and Bacon/Pearson},
	year = {2006.},
	address = {Boston, Mass.},
	edition = {2 nd ed.},
	note = {CD-ROM disponible en el libro.}
}