Bautista-Ruiz, W. A., Díaz-Lagos, M., & Martínez-Ovalle, S. A. (2017). Characterization of flying ashes of a thermoelectric plant for its possible use as an additive in the manufacture of cement. Universidad Pedagógica y Tecnológica de Colombia.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Bautista-Ruiz, William Alexander, Mercedes Díaz-Lagos, و Segundo Agustín Martínez-Ovalle. Characterization of Flying Ashes of a Thermoelectric Plant for Its Possible Use as an Additive in the Manufacture of Cement. Universidad Pedagógica y Tecnológica de Colombia, 2017.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Bautista-Ruiz, William Alexander, et al. Characterization of Flying Ashes of a Thermoelectric Plant for Its Possible Use as an Additive in the Manufacture of Cement. Universidad Pedagógica y Tecnológica de Colombia, 2017.
