Hoek, E., Kaiser, P. K., & Bawden, W. F. (1995). Support of underground excavations in hard rock (1a. ed.). Taylor and Francis.
Cita Chicago (17th ed.)Hoek, Evert, Peter K. Kaiser, i W F. Bawden. Support of Underground Excavations in Hard Rock. 1a. ed. Nueva York: Taylor and Francis, 1995.
Cita MLA (9th ed.)Hoek, Evert, et al. Support of Underground Excavations in Hard Rock. 1a. ed. Taylor and Francis, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.