ebrary, Inc. (2006). PE pipe: Design and installation. American Water Works Association.
芝加哥风格引文ebrary, Inc. PE Pipe: Design and Installation. Denver, Colo.: American Water Works Association, 2006.
MLA引文ebrary, Inc. PE Pipe: Design and Installation. American Water Works Association, 2006.
警告：这些引文格式不一定是100％准确.