Cita APA

Toledo Garay, E., Mendoza Delgadillo, G., & Gallarday Bocanegra, T. (2011). Economical and safe support for underground excavations.

Citación estilo Chicago

Toledo Garay, Enrique, Gerardo Mendoza Delgadillo, y Tomas Gallarday Bocanegra. Economical and Safe Support for Underground Excavations. 2011.

Cita MLA

Toledo Garay, Enrique, Gerardo Mendoza Delgadillo, y Tomas Gallarday Bocanegra. Economical and Safe Support for Underground Excavations. 2011.