APA-viite (7. p.)
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-viite (17. p.)
North American Tunneling Conference Portland, Or., Inc ebrary, ja Lawrence R. Eckert. North American Tunneling 2010 Proceedings. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, Inc., 2010.
MLA-viite (9. p.)
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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