Lua APA (7ú heag.)

International Conference on Pipelines and Trenchless Technology Shanghai, China, ebrary, Inc, Najafi, M., & Ma, B. (2009). Advances and experiences with pipelines and trenchless technology for water, sewer, gas, and oil applications: Proceedings of the International Conference on Pipelines and Trenchless Technology 2009, October 18-21, 2009, Shanghai, China. American Society of Civil Engineers.

Lua i Stíl Chicago (17ú heag.)

International Conference on Pipelines and Trenchless Technology Shanghai, China, Inc ebrary, Mohammad Najafi, agus Baosong Ma. Advances and Experiences with Pipelines and Trenchless Technology for Water, Sewer, Gas, and Oil Applications: Proceedings of the International Conference on Pipelines and Trenchless Technology 2009, October 18-21, 2009, Shanghai, China. Reston, Va.: American Society of Civil Engineers, 2009.

Lua MLA (9ú heag.)

International Conference on Pipelines and Trenchless Technology Shanghai, China, et al. Advances and Experiences with Pipelines and Trenchless Technology for Water, Sewer, Gas, and Oil Applications: Proceedings of the International Conference on Pipelines and Trenchless Technology 2009, October 18-21, 2009, Shanghai, China. American Society of Civil Engineers, 2009.

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