ASCE International Conference on Pipeline Engineering and Construction Boston, Mass, American Society of Civil Engineers. Pipeline Division, ebrary, Inc, Najafi, M., & Osborn, L. (2007). Pipelines 2007: Advances and experiences with trenchless pipeline projects : proceedings of the ASCE International Conference on Pipeline Engineering and Construction, July 8-11, 2007, Boston, Massachusetts. American Society of Civil Engineers.
Chicago-referens (17:e uppl.)ASCE International Conference on Pipeline Engineering and Construction Boston, Mass, American Society of Civil Engineers. Pipeline Division, Inc ebrary, Mohammad Najafi, och Lynn Osborn. Pipelines 2007: Advances and Experiences with Trenchless Pipeline Projects : Proceedings of the ASCE International Conference on Pipeline Engineering and Construction, July 8-11, 2007, Boston, Massachusetts. Reston, Va.: American Society of Civil Engineers, 2007.
MLA-referens (9:e uppl.)ASCE International Conference on Pipeline Engineering and Construction Boston, Mass, et al. Pipelines 2007: Advances and Experiences with Trenchless Pipeline Projects : Proceedings of the ASCE International Conference on Pipeline Engineering and Construction, July 8-11, 2007, Boston, Massachusetts. American Society of Civil Engineers, 2007.