@book{92613,
	author = {Rose, Gillian.},
	title = {Visual methodologies  an introduction to the interpretation of visual materials},
	publisher = {SAGE Publications},
	year = {2007},
	address = {Londres (Inglaterra)},
	edition = {2a. Ed.},
	url = {http://www.loc.gov/catdir/toc/fy0708/2006927695.html}
}