Borlaza, G. C. (1984). The life and work of Pedro T. Orata: Advocate of education for all, for life, throughout life. Philippine Christian University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Borlaza, Gregorio C. The Life and Work of Pedro T. Orata: Advocate of Education for All, for Life, Throughout Life. Manila: Philippine Christian University, 1984.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Borlaza, Gregorio C. The Life and Work of Pedro T. Orata: Advocate of Education for All, for Life, Throughout Life. Philippine Christian University, 1984.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.