Lopez, R. M. (1971). Landlord-tenant relations: Their effects in the implementation of land reform and production efficiency in Central Luzon. [s.n.].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lopez, Rogelio M. Landlord-tenant Relations: Their Effects in the Implementation of Land Reform and Production Efficiency in Central Luzon. Cebu City: [s.n.], 1971.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Lopez, Rogelio M. Landlord-tenant Relations: Their Effects in the Implementation of Land Reform and Production Efficiency in Central Luzon. [s.n.], 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.