Magdalena, F. V. (1977). Cumulative scales to measure level of living of the Philippine communities [microform]. Photoduplication Service, University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Magdalena, Federico V. Cumulative Scales to Measure Level of Living of the Philippine Communities [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1977.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Magdalena, Federico V. Cumulative Scales to Measure Level of Living of the Philippine Communities [microform]. Photoduplication Service, University of the Philippines Library, 1977.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.