International Labour Office & Sethuraman, S. V. (1981). The urban informal sector in developing countries: Employment, poverty and environment. International Labour Office.
Citação do estilo Chicago (17ª ed.)International Labour Office e S. V. Sethuraman. The Urban Informal Sector in Developing Countries: Employment, Poverty and Environment. Geneva: International Labour Office, 1981.
Citação MLA (8ª ed.)International Labour Office e S. V. Sethuraman. The Urban Informal Sector in Developing Countries: Employment, Poverty and Environment. International Labour Office, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.