International Symposium on Green and Smart Technologies for a Sustainable Societyn Santander & Diban, N. (2021). Proceedings of the 6th International Symposium on Green and Smart Technologies for a Sustainable Society. Editorial de la Universidad de Cantabria.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)International Symposium on Green and Smart Technologies for a Sustainable Societyn Santander و Nazely Diban. Proceedings of the 6th International Symposium on Green and Smart Technologies for a Sustainable Society. Santander: Editorial de la Universidad de Cantabria, 2021.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)International Symposium on Green and Smart Technologies for a Sustainable Societyn Santander و Nazely Diban. Proceedings of the 6th International Symposium on Green and Smart Technologies for a Sustainable Society. Editorial de la Universidad de Cantabria, 2021.