Cita APA (7th ed.)

ebrary, Inc. (2006). PE pipe: Design and installation. American Water Works Association.

Cita Chicago (17th ed.)

ebrary, Inc. PE Pipe: Design and Installation. Denver, Colo.: American Water Works Association, 2006.

Cita MLA (9th ed.)

ebrary, Inc. PE Pipe: Design and Installation. American Water Works Association, 2006.

Atenció: Aquestes cites poden no estar 100% correctes.