(1990). The Systems thinker.
Cita Chicago (17th ed.)The Systems Thinker. 1990.
Cita MLA (9th ed.)The Systems Thinker. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)
(1990). The Systems thinker.
Cita Chicago (17th ed.)The Systems Thinker. 1990.
Cita MLA (9th ed.)The Systems Thinker. 1990.