@book{40164,
	author = {Samuelson, Paul A. and Nordhaus, William D.},
	title = {Macroeconomics /},
	publisher = {McGraw-Hill,},
	year = {[1998]},
	address = {Boston ;},
	edition = {Sixteenth edition},
	note = {Partes de este texto han sido tomadas de: Samuelson, Paul Anthony. "Economics", Sixteenth Edition. 1998.}
}