International Conference on Cold Regions Engineering Orono, Me., ebrary, Inc, Technical Council on Cold Regions Engineering, Davies, M. C. R., & Zufelt, J. E. (2006). Cold regions engineering 2006: Current practices in cold regions engineering. American Society of Civil Engineers.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)International Conference on Cold Regions Engineering Orono, Me., Inc ebrary, Technical Council on Cold Regions Engineering, M. C. R. Davies, ба Jon E. Zufelt. Cold Regions Engineering 2006: Current Practices in Cold Regions Engineering. [Reston, VA]: American Society of Civil Engineers, 2006.
MLA -ийн эшлэл (9 дэх хэвлэлт)International Conference on Cold Regions Engineering Orono, Me., et al. Cold Regions Engineering 2006: Current Practices in Cold Regions Engineering. American Society of Civil Engineers, 2006.