Não informado. (2011). Occupational Wages and Hours of Work and Retail Food Prices. International Labour Office.
Lua i Stíl Chicago (17ú heag.)Não informado. Occupational Wages and Hours of Work and Retail Food Prices. Geneva, Suíça: International Labour Office, 2011.
Lua MLA (8ú heag.)Não informado. Occupational Wages and Hours of Work and Retail Food Prices. International Labour Office, 2011.
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