@book{165375,
	author = {Chisholm, Roger K. and McCarty, Marilu Hurt.},
	title = {Principles of economics /},
	publisher = {Scott, Foresman,},
	year = {c1981.},
	address = {Glenview, Ill. :},
	edition = {2nd ed.},
	note = {Also issued in two separate editions under titles: Principles of microeconomics and Principles of macroeconomics.}
}