APA aipamena

Vigne, G., Jönsson, J., & Hacar, F. (2014). Tunnels with rough walls and cavities. Universidad Pedagógica y Tecnológica de Colombia - UPTC.

Chicago Style aipamena

Vigne, Gabriele, Jimmy Jönsson, and Fernando Hacar. Tunnels with Rough Walls and Cavities. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2014.

MLA aipamena

Vigne, Gabriele, et al. Tunnels with Rough Walls and Cavities. Universidad Pedagógica y Tecnológica de Colombia - UPTC, 2014.