Lamberto, M. B., & Balbosa, J. Z. (1988). Informal savings and credit institutions in the urban areas: The case of cooperative credit unions. Philippine Institute for Development Studies.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lamberto, Mario B., و Joven Z. Balbosa. Informal Savings and Credit Institutions in the Urban Areas: The Case of Cooperative Credit Unions. Makati, Metro Manila: Philippine Institute for Development Studies, 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Lamberto, Mario B., و Joven Z. Balbosa. Informal Savings and Credit Institutions in the Urban Areas: The Case of Cooperative Credit Unions. Philippine Institute for Development Studies, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.