Roxas, D. D. (1980). Peasant indebtedness and the persistence of traditional credit institution [microform]. Photoduplication Service. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Roxas, Daphne D. Peasant Indebtedness and the Persistence of Traditional Credit Institution [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1980.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Roxas, Daphne D. Peasant Indebtedness and the Persistence of Traditional Credit Institution [microform]. Photoduplication Service. University of the Philippines Library, 1980.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.