@book{3005,
	author = {Phelps, Orme Wheelock.},
	title = {Introduction to labor economics /},
	publisher = {McGraw-Hill ,},
	year = {c1961.},
	address = {New York :},
	edition = {3d ed.},
	url = {http://www.worldcat.org/title/introduction-to-labor-economics/oclc/2399732&referer=brief_results}
}