Allmendinger, P., & Chapman, M. (1999). Planning beyond 2000. J. Wiley.
Cita Chicago (17th ed.)Allmendinger, Philip, i Michael Chapman. Planning Beyond 2000. Chichester: J. Wiley, 1999.
Cita MLA (9th ed.)Allmendinger, Philip, i Michael Chapman. Planning Beyond 2000. J. Wiley, 1999.
Atenció: Aquestes cites poden no estar 100% correctes.