Mezinárodní úřad práce. Year book of labour statistics 1989-90 = Annuaire des statistiques du travail 1989-90 = Anuario de estadisticas del trabajo 1989-90 / International Labour Office. Geneva: International Labour Office, 1990. xvii, 1094 s.
(1990). Year book of labour statistics 1989-90 =: Annuaire des statistiques du travail 1989-90 = Anuario de estadisticas del trabajo 1989-90 / International Labour Office. Geneva: International Labour Office.
Chicago Style CitationYear Book of Labour Statistics 1989-90 =: Annuaire Des Statistiques Du Travail 1989-90 = Anuario De Estadisticas Del Trabajo 1989-90 / International Labour Office. Geneva: International Labour Office, 1990.
MLA CitationYear Book of Labour Statistics 1989-90 =: Annuaire Des Statistiques Du Travail 1989-90 = Anuario De Estadisticas Del Trabajo 1989-90 / International Labour Office. Geneva: International Labour Office, 1990.
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