@book{199715,
	author = {Raykov, Tenko. and Marcoulides, George A.},
	title = {A first course in structural equation modeling},
	publisher = {Lawrence Erlbaum Associates},
	year = {c2006.},
	address = {Mahwah, N.J.},
	edition = {2nd ed.},
	note = {ESTE LIBRO INCLUYE UN DISCO}
}