Atienza, E. M. (1974). Problems of teaching English in the transition grade in the public schools in Lucena City [microform]. Photoduplication Service, University of the Philippines Library.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Atienza, Elena Macalintal. Problems of Teaching English in the Transition Grade in the Public Schools in Lucena City [microform]. Quezon City: Photoduplication Service, University of the Philippines Library, 1974.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Atienza, Elena Macalintal. Problems of Teaching English in the Transition Grade in the Public Schools in Lucena City [microform]. Photoduplication Service, University of the Philippines Library, 1974.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.