Peña-Rodríguez, G., & Ortega-Triana, L. R. (2014). Morphological and structural characterization of fly ash powders. Universidad Pedagógica y Tecnológica de Colombia - UPTC.
Citazione stile Chigago Style (17a edizione)Peña-Rodríguez, Gabriel, e Luis René Ortega-Triana. Morphological and Structural Characterization of Fly Ash Powders. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2014.
Citatione MLA (9a ed.)Peña-Rodríguez, Gabriel, e Luis René Ortega-Triana. Morphological and Structural Characterization of Fly Ash Powders. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.