@book{3108,
	author = {Mankiw, Gregory N. and Kneebone, Ronald D.},
	title = {Principles of macroeconomics. /},
	publisher = {Nelson Education,},
	year = {2011.},
	address = {U.S.A:},
	edition = {5th ed.},
	note = {Includes index and glossary.}
}