APA (7th ed.) Zitazioa
Technical Council on Cold Regions Engineering, ebrary, Inc, & Clarke, E. S. (2007). Permafrost foundations: State of the practice. American Society of Civil Engineers.
Chicago Style (17th ed.) Zitazioa
Technical Council on Cold Regions Engineering, Inc ebrary, eta Edwin S. Clarke. Permafrost Foundations: State of the Practice. Reston, VA: American Society of Civil Engineers, 2007.
MLA (9th ed.) Zitazioa
Technical Council on Cold Regions Engineering, et al. Permafrost Foundations: State of the Practice. American Society of Civil Engineers, 2007.
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