Aberia, H. D., & Rivera, R. (1997). Securing land for the poor: NGO/PO efforts at maximizing government land acquisition schemes. Institute on Church and Social Issues.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Aberia, Hermilando D., و Robert Rivera. Securing Land for the Poor: NGO/PO Efforts at Maximizing Government Land Acquisition Schemes. [Quezon City]: Institute on Church and Social Issues, 1997.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Aberia, Hermilando D., و Robert Rivera. Securing Land for the Poor: NGO/PO Efforts at Maximizing Government Land Acquisition Schemes. Institute on Church and Social Issues, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.