Carpenter, H. S. (1954). The International classification of occupations for migration and employment placement. International Labour Organization.
Chicago-Zitierstil (17. Ausg.)Carpenter, Howard S. The International Classification of Occupations for Migration and Employment Placement. International Labour Organization, 1954.
MLA-Zitierstil (9. Ausg.)Carpenter, Howard S. The International Classification of Occupations for Migration and Employment Placement. International Labour Organization, 1954.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.