Baum, S. (1967). The world's labour force and its industrial distribution, 1950 and 1960. International Labour Organization.
Chicago-Zitierstil (17. Ausg.)Baum, Samuel. The World's Labour Force and Its Industrial Distribution, 1950 and 1960. International Labour Organization, 1967.
MLA-Zitierstil (9. Ausg.)Baum, Samuel. The World's Labour Force and Its Industrial Distribution, 1950 and 1960. International Labour Organization, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.