Philippines. National Academy of Science and Technology. (1981). National Academy of Science and Technology: [a directory of the academicians]. National Academy of Science and Technology.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philippines. National Academy of Science and Technology. National Academy of Science and Technology: [a Directory of the Academicians]. [Bicutan, Taguig]: National Academy of Science and Technology, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Philippines. National Academy of Science and Technology. National Academy of Science and Technology: [a Directory of the Academicians]. National Academy of Science and Technology, 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.