@book{1099,
	title = {Yearbook of labour statistics=Annuaire des statistiques du travail=Anuario de estadisticas del trabajo},
	publisher = {International Labour Office},
	year = {1936- },
	address = {Geneva},
	note = {58th ed. accompanied by Sources and methods labour statistics, v. 9, special ed., 1999. },
	url = {http://firstsearch.oclc.org/WebZ/DCARead?standardNoType=1&standardNo=9220073587:srcdbname=worldcat:fromExternal=true&sessionid=0}
}