Dokumentuaren aipamena

APA (7th ed.) Zitazioa
North American Tunneling Conference Portland, Or., ebrary, Inc, & Eckert, L. R. (2010). North American Tunneling 2010 proceedings. Society for Mining, Metallurgy, and Exploration, Inc..
Chicago Style (17th ed.) Zitazioa
North American Tunneling Conference Portland, Or., Inc ebrary, eta Lawrence R. Eckert. North American Tunneling 2010 Proceedings. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, Inc., 2010.
MLA (9th ed.) Zitazioa
North American Tunneling Conference Portland, Or., et al. North American Tunneling 2010 Proceedings. Society for Mining, Metallurgy, and Exploration, Inc., 2010.
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