@book{991,
	author = {"Ehrenberg, Ronald G."},
	title = {Modern labour economics},
	publisher = {Addison Wesley Publishing},
	address = {New York},
	edition = {6th},
	url = {https://libgen.is/book/index.php?md5=2A95C2ED43B0BE37400730F64FCFF6E3}
}