Dreyer, H. M. (1961). Immigration of foreign workers into the Federal Republic of Germany. International Labour Organization.
Chicago-Zitierstil (17. Ausg.)Dreyer, Heinrich M. Immigration of Foreign Workers into the Federal Republic of Germany. International Labour Organization, 1961.
MLA-Zitierstil (9. Ausg.)Dreyer, Heinrich M. Immigration of Foreign Workers into the Federal Republic of Germany. International Labour Organization, 1961.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.