Bedoya-Montoya, C. M., & Medina-Restrepo, C. A. (2016). Concrete prepared with rain water as an environmental contribution from the construction. Universidad Pedagógica y Tecnológica de Colombia.
Čikaški stil citiranja (17. izdanje)Bedoya-Montoya, Carlos Mauricio, i Carlos Andrés Medina-Restrepo. Concrete Prepared with Rain Water as an Environmental Contribution from the Construction. Universidad Pedagógica y Tecnológica de Colombia, 2016.
MLA način citiranja (9. izdanje)Bedoya-Montoya, Carlos Mauricio, i Carlos Andrés Medina-Restrepo. Concrete Prepared with Rain Water as an Environmental Contribution from the Construction. Universidad Pedagógica y Tecnológica de Colombia, 2016.
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