Não informado. (2011). Occupational Wages and Hours of Work and Retail Food Prices. International Labour Office.
Citação do estilo Chicago (17ª ed.)Não informado. Occupational Wages and Hours of Work and Retail Food Prices. Geneva, Suíça: International Labour Office, 2011.
Citação MLA (8ª ed.)Não informado. Occupational Wages and Hours of Work and Retail Food Prices. International Labour Office, 2011.
警告：這些引文格式不一定是100％准確.