Elfvengren, E. (1956). The finnish labour force. International Labour Organization.
Cita Chicago Style (17a ed.)Elfvengren, Elisabeth. The Finnish Labour Force. International Labour Organization, 1956.
Cita MLA (9a ed.)Elfvengren, Elisabeth. The Finnish Labour Force. International Labour Organization, 1956.
Precaución: Estas citas no son 100% exactas.