Não informado. (2011). Occupational Wages and Hours of Work and Retail Food Prices. International Labour Office.
Chicago-Zitierstil (17. Ausg.)Não informado. Occupational Wages and Hours of Work and Retail Food Prices. Geneva, Suíça: International Labour Office, 2011.
MLA-Zitierstil (8. Ausg.)Não informado. Occupational Wages and Hours of Work and Retail Food Prices. International Labour Office, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.