International Labour Organization. (2013). The Informal economy and decent work: A policy resource guide supporting transitions to formality. International Labour Organization.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Labour Organization. The Informal Economy and Decent Work: A Policy Resource Guide Supporting Transitions to Formality. Geneva, Switzerland: International Labour Organization, 2013.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Labour Organization. The Informal Economy and Decent Work: A Policy Resource Guide Supporting Transitions to Formality. International Labour Organization, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.