Peralta, M. H. T., Piedad, M. B., & Antonio, O. V. M., Jr. (2017). Nondestructive evaluation of masonry materials used in historic Philippine structures: Case study of structural performance of Manila Cathedral. Philippine Engineering Journal.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Peralta, Mathew Harvey T., Melmar B. Piedad, و Oscar Victor M. Antonio, Jr. "Nondestructive Evaluation of Masonry Materials Used in Historic Philippine Structures: Case Study of Structural Performance of Manila Cathedral." Philippine Engineering Journal 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Peralta, Mathew Harvey T., et al. "Nondestructive Evaluation of Masonry Materials Used in Historic Philippine Structures: Case Study of Structural Performance of Manila Cathedral." Philippine Engineering Journal, 2017.