Solon, O. C. (1988). The facto tenure and the allocation of land among squatters. School of Economics, University of the Philippines.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Solon, Orville C. The Facto Tenure and the Allocation of Land Among Squatters. [Quezon City]: School of Economics, University of the Philippines, 1988.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Solon, Orville C. The Facto Tenure and the Allocation of Land Among Squatters. School of Economics, University of the Philippines, 1988.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.