Geus, A. D. (1999). The Living Company. Nicholas Brealey.
Cita Chicago (17th ed.)Geus, Arie De. The Living Company. Nicholas Brealey, 1999.
Cita MLA (9th ed.)Geus, Arie De. The Living Company. Nicholas Brealey, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.