(2011). Petroleum and natural gas industries - Pipeline transportation systems (ISO 13623: 2009 modified) (official edition.). London, BSi, 2011.
Cita Chicago (17th ed.)Petroleum and Natural Gas Industries - Pipeline Transportation Systems (ISO 13623: 2009 Modified). official edition. London, BSi, 2011, 2011.
Cita MLA (9th ed.)Petroleum and Natural Gas Industries - Pipeline Transportation Systems (ISO 13623: 2009 Modified). official edition. London, BSi, 2011, 2011.
Atenció: Aquestes cites poden no estar 100% correctes.