@book{129985,
	author = {García de Serrano, Irma. and Puerto Rico.},
	title = {Manual para la preparacíon de informes y tesis},
	publisher = {Editorial Universitaria, Universidad de Puerto Rico},
	year = {1971.},
	address = {Río Piedras},
	edition = {[5. ed.]},
	note = {First- eds. prepared by University of Puerto Rico, School of Public Administration, Office of Research.}
}