American Society of Civil Engineers. Pipeline Division, ebrary, Inc, Hovland, T. J., & Najafi, M. (2009). Inspecting pipeline installation. American Society of Civil Engineers.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)American Society of Civil Engineers. Pipeline Division, Inc ebrary, T. J. Hovland, و Mohammad Najafi. Inspecting Pipeline Installation. Reston, VA: American Society of Civil Engineers, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)American Society of Civil Engineers. Pipeline Division, et al. Inspecting Pipeline Installation. American Society of Civil Engineers, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.