Loyola, R. G. (1979). A proposed secondary reading program to improve biology and history reading instruction at La Salle green Hills. Photoduplication Service, University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Loyola, Rosario Guerrero. A Proposed Secondary Reading Program to Improve Biology and History Reading Instruction at La Salle Green Hills. Quezon City: Photoduplication Service, University of the Philippines Library, 1979.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Loyola, Rosario Guerrero. A Proposed Secondary Reading Program to Improve Biology and History Reading Instruction at La Salle Green Hills. Photoduplication Service, University of the Philippines Library, 1979.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.