Lua APA (7ú heag.)
Technical Council on Cold Regions Engineering, ebrary, Inc, & Clarke, E. S. (2007). Permafrost foundations: State of the practice. American Society of Civil Engineers.
Lua i Stíl Chicago (17ú heag.)
Technical Council on Cold Regions Engineering, Inc ebrary, agus Edwin S. Clarke. Permafrost Foundations: State of the Practice. Reston, VA: American Society of Civil Engineers, 2007.
Lua MLA (9ú heag.)
Technical Council on Cold Regions Engineering, et al. Permafrost Foundations: State of the Practice. American Society of Civil Engineers, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.