Senge, P. M. (2006). The fifth discipline. Random house, London.
Cita Chicago (17th ed.)Senge, Peter M. The Fifth Discipline. Random house, London, 2006.
Cita MLA (9th ed.)Senge, Peter M. The Fifth Discipline. Random house, London, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.