International Laour Office. (1987). Statistical sources and methods (2nd ed.). International Labour Office.
Citación estilo ChicagoInternational Laour Office. Statistical Sources and Methods. 2nd ed. Geneva: International Labour Office, 1987.
Cita MLAInternational Laour Office. Statistical Sources and Methods. 2nd ed. International Labour Office, 1987.
Warning: These citations may not always be 100% accurate.