(1930). Wages and hours of work in the coal-mining industry in 1927: III, Wages and hours of work in non-european countries. International Labour Organization.
Chicago-Zitierstil (17. Ausg.)Wages and Hours of Work in the Coal-mining Industry in 1927: III, Wages and Hours of Work in Non-european Countries. International Labour Organization, 1930.
MLA-Zitierstil (9. Ausg.)Wages and Hours of Work in the Coal-mining Industry in 1927: III, Wages and Hours of Work in Non-european Countries. International Labour Organization, 1930.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.