North American Tunneling Conference Portland, Or., ebrary, Inc, & Eckert, L. R. (2010). North American Tunneling 2010 proceedings. Society for Mining, Metallurgy, and Exploration, Inc..
Цитирование в стиле Чикаго (17-е изд.)North American Tunneling Conference Portland, Or., Inc ebrary, и Lawrence R. Eckert. North American Tunneling 2010 Proceedings. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, Inc., 2010.
Цитирование MLA (9-е изд.)North American Tunneling Conference Portland, Or., et al. North American Tunneling 2010 Proceedings. Society for Mining, Metallurgy, and Exploration, Inc., 2010.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.