Ledesma, P. K. (1971). A critical analysis of modern painting in the Philippines today [microform]. Photoduplication Service,University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ledesma, Purita Kalaw. A Critical Analysis of Modern Painting in the Philippines Today [microform]. Quezon City: Photoduplication Service,University of the Philippines Library, 1971.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ledesma, Purita Kalaw. A Critical Analysis of Modern Painting in the Philippines Today [microform]. Photoduplication Service,University of the Philippines Library, 1971.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.