APA (7 वां संस्करण) प्रशस्ति पत्र
Rapid Excavation and Tunneling Conference San Francisco, Calif, ebrary, Inc, Redmond, S., & Romero, V. (2011). 2011 rapid excavation and tunneling conference: Proceedings. Society for Mining, Metallurgy, and Exploration, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Rapid Excavation and Tunneling Conference San Francisco, Calif, Inc ebrary, Steve Redmond, और Victor Romero. 2011 Rapid Excavation and Tunneling Conference: Proceedings. Englewood, Colo.: Society for Mining, Metallurgy, and Exploration, Inc., 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Rapid Excavation and Tunneling Conference San Francisco, Calif, et al. 2011 Rapid Excavation and Tunneling Conference: Proceedings. Society for Mining, Metallurgy, and Exploration, Inc., 2011.
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