@book{92642,
	author = {Marx, Karl,},
	title = {Teoría económica},
	publisher = {Ediciones Península},
	year = {1968.},
	series = {Historia , Ciencia, Sociedad, 77},
	address = {[Barcelona?]},
	edition = {2a ed.},
	note = {Translation of: Marx on economics.}
}