Valencia, N. Q. (1980). Development of sample instructional materials in communication arts (English) grade four of the University of the Philippines Integrated School [microform]. Photoduplication Service. University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Valencia, Nora Q. Development of Sample Instructional Materials in Communication Arts (English) Grade Four of the University of the Philippines Integrated School [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1980.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Valencia, Nora Q. Development of Sample Instructional Materials in Communication Arts (English) Grade Four of the University of the Philippines Integrated School [microform]. Photoduplication Service. University of the Philippines Library, 1980.