توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

International Labour Office & Sethuraman, S. V. (1981). The urban informal sector in developing countries: Employment, poverty and environment. International Labour Office.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

International Labour Office و S. V. Sethuraman. The Urban Informal Sector in Developing Countries: Employment, Poverty and Environment. Geneva: International Labour Office, 1981.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

International Labour Office و S. V. Sethuraman. The Urban Informal Sector in Developing Countries: Employment, Poverty and Environment. International Labour Office, 1981.