Japan Society of the Promotion of Science on Environmental Engineering, Kawashima, K., & Oreta, A. W. (1999). Proceedings of the second Japan-Philippine workshop on safety and stability of infrastructure against environmental impacts, University of the Philippines, Diliman, Manila, Philippines, September 10-13, 2001. [publisher not identified].
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Japan Society of the Promotion of Science on Environmental Engineering, Kazuhiko Kawashima, و Andres W.C Oreta. Proceedings of the Second Japan-Philippine Workshop on Safety and Stability of Infrastructure Against Environmental Impacts, University of the Philippines, Diliman, Manila, Philippines, September 10-13, 2001. [Place of publication not identified]: [publisher not identified], 1999.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Japan Society of the Promotion of Science on Environmental Engineering, et al. Proceedings of the Second Japan-Philippine Workshop on Safety and Stability of Infrastructure Against Environmental Impacts, University of the Philippines, Diliman, Manila, Philippines, September 10-13, 2001. [publisher not identified], 1999.