Bautista, M. E. R. (1976). A study of some problems in teaching Spanish to beginners [microform]. Photoduplication Service. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bautista, Maria E. Rodil. A Study of Some Problems in Teaching Spanish to Beginners [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Bautista, Maria E. Rodil. A Study of Some Problems in Teaching Spanish to Beginners [microform]. Photoduplication Service. University of the Philippines Library, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.