Rapid Excavation and Tunneling Conference San Francisco, Calif, American Institute of Mining, Metallurgical, and Petroleum Engineers, American Society of Civil Engineers, Bullock, R. L., & Jacoby, H. J. (1981). Proceedings: 1981 Rapid Excavation and Tunneling Conference, San Francisco, California, May 3-7, 1981. Society of Mining Engineers of AIME.
Style de citation Chicago (17e éd.)Rapid Excavation and Tunneling Conference San Francisco, Calif, Metallurgical American Institute of Mining, American Society of Civil Engineers, Richard L. Bullock, et Henry J. Jacoby. Proceedings: 1981 Rapid Excavation and Tunneling Conference, San Francisco, California, May 3-7, 1981. New York, N.Y: Society of Mining Engineers of AIME, 1981.
Style de citation MLA (9e éd.)Rapid Excavation and Tunneling Conference San Francisco, Calif, et al. Proceedings: 1981 Rapid Excavation and Tunneling Conference, San Francisco, California, May 3-7, 1981. Society of Mining Engineers of AIME, 1981.