@book{51410,
	author = {Columbus Memorial Library.},
	title = {Directorio de librerías y casas editoriales en América Latina.},
	publisher = {Unión Panamericana, Secretaría General de la Organización de los Estados Americanos,},
	year = {1958.},
	series = {Its Bibliographic series,},
	address = {Washington,},
	edition = {6. ed.}
}