Gonzaga, T. (1976). Parents' reaction toward public elementary instruction in Tuguegarao [microform]. Photoduplication Service University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Gonzaga, Thelma. Parents' Reaction Toward Public Elementary Instruction in Tuguegarao [microform]. Quezon City: Photoduplication Service University of the Philippines Library, 1976.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Gonzaga, Thelma. Parents' Reaction Toward Public Elementary Instruction in Tuguegarao [microform]. Photoduplication Service University of the Philippines Library, 1976.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.