@book{12738,
	author = {Gujarati Damodar N.},
	title = {Essentials of econometrics /},
	publisher = {McGraw-Hill/Irwin,},
	year = {2006},
	address = {Boston, [MA] :},
	edition = {3rd ed.},
	note = {Includes bibliographical references (p. 541-544) indexes.}
}