@book{131502,
	author = {Toledo Rivera, Evaristo M.,},
	title = {Sindicalismo, lecturas básicas.},
	publisher = {Departamento de Instrucción Pública},
	year = {[1973, c1971]},
	address = {Hato Rey, P.R.]},
	edition = {[4. ed. rev.},
	note = {Previous editions published under title: El Manual del sindicalismo.}
}