Não informado. (2002). Statistics on Occupational Wages and Hours of Work and on Food Prices. International Labour Office.
Lua i Stíl Chicago (17ú heag.)Não informado. Statistics on Occupational Wages and Hours of Work and on Food Prices. Geneva, Suíça: International Labour Office, 2002.
Lua MLA (8ú heag.)Não informado. Statistics on Occupational Wages and Hours of Work and on Food Prices. International Labour Office, 2002.
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