APA (7e ed.) Bronvermelding
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 (17e ed.) Bronvermelding
North American Tunneling Conference Portland, Or., Inc ebrary, en Lawrence R. Eckert. North American Tunneling 2010 Proceedings. Littleton, Colo.: Society for Mining, Metallurgy, and Exploration, Inc., 2010.
MLA (9e ed.) Bronvermelding
North American Tunneling Conference Portland, Or., et al. North American Tunneling 2010 Proceedings. Society for Mining, Metallurgy, and Exploration, Inc., 2010.
Let op: Deze citaties zijn niet altijd 100% accuraat.