Cita APA (7th ed.)
ebrary, Inc, & Smith, P. (2007). Systems thinking and systems dynamics. Emerald Group Publishing.
Cita Chicago (17th ed.)
ebrary, Inc, i Peter Smith. Systems Thinking and Systems Dynamics. Bradford, England: Emerald Group Publishing, 2007.
Cita MLA (9th ed.)
ebrary, Inc, i Peter Smith. Systems Thinking and Systems Dynamics. Emerald Group Publishing, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.