Cita APA

(1990). Soft system methodology in action. Chichester, Eng: Wiley.

Chicago Style Citation

Soft System Methodology in Action. Chichester, Eng: Wiley, 1990.

Cita MLA

Soft System Methodology in Action. Chichester, Eng: Wiley, 1990.

Atenció: Aquestes cites poden no estar 100% correctes.