Bolívar-León, R., Triviño-Jaimes, N. R., & García-Mogollón, J. M. (2014). A Technical and Environmental Study of Fortified Structures Used in Coal Mining in Norte de Santander. Universidad Pedagógica y Tecnológica de Colombia.
Citazione stile Chigago Style (17a edizione)Bolívar-León, Rafael, Neyl Richard Triviño-Jaimes, e Javier Mauricio García-Mogollón. A Technical and Environmental Study of Fortified Structures Used in Coal Mining in Norte De Santander. Universidad Pedagógica y Tecnológica de Colombia, 2014.
Citatione MLA (9a ed.)Bolívar-León, Rafael, et al. A Technical and Environmental Study of Fortified Structures Used in Coal Mining in Norte De Santander. Universidad Pedagógica y Tecnológica de Colombia, 2014.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.
