Rillera, F. N. (1976). Proposed outlining exercises for the first year [microform]. Photoduplication Service. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Rillera, Fe N. Proposed Outlining Exercises for the First Year [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Rillera, Fe N. Proposed Outlining Exercises for the First Year [microform]. Photoduplication Service. University of the Philippines Library, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.