Anderson, V., & Johnson, L. (1997). Systems thinking basics: From concepts to causal loops. Pegasus Communications.
Chicago Style (17. basım) AtıfAnderson, Virginia, ve Lauren Johnson. Systems Thinking Basics: From Concepts to Causal Loops. Waltham: Pegasus Communications, 1997.
MLA (9th ed.) AtıfAnderson, Virginia, ve Lauren Johnson. Systems Thinking Basics: From Concepts to Causal Loops. Pegasus Communications, 1997.
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