Small Enterprises Research and Development Foundation & United States Agency for International Development. (1991). Consultation workshop on low-income housing. SERDEF, USAID.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Small Enterprises Research and Development Foundation و United States Agency for International Development. Consultation Workshop on Low-income Housing. Cebu city: SERDEF, USAID, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Small Enterprises Research and Development Foundation و United States Agency for International Development. Consultation Workshop on Low-income Housing. SERDEF, USAID, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.