American Society of Civil Engineers. Task Committee on Buried Flexible (Steel) Pipe Load Stability Criteria & Design & Whidden, W. R. (2009). Buried flexible steel pipe: Design and structural analysis. American Society of Civil Engineers.
Chicago Style (17th ed.) CitationAmerican Society of Civil Engineers. Task Committee on Buried Flexible (Steel) Pipe Load Stability Criteria & Design and William R. Whidden. Buried Flexible Steel Pipe: Design and Structural Analysis. Reston, VA: American Society of Civil Engineers, 2009.
MLA (9th ed.) CitationAmerican Society of Civil Engineers. Task Committee on Buried Flexible (Steel) Pipe Load Stability Criteria & Design and William R. Whidden. Buried Flexible Steel Pipe: Design and Structural Analysis. American Society of Civil Engineers, 2009.