Παραπομπή APA
Weinberg, G. M. (2001). An introduction to general systems thinking (Silver anniversary edition.). New York: Dorset House.
Παραπομπή Chicago StyleWeinberg, Gerald M. An Introduction to General Systems Thinking. Silver anniversary edition. New York: Dorset House, 2001.
Παραπομπή MLAWeinberg, Gerald M. An Introduction to General Systems Thinking. Silver anniversary edition. New York: Dorset House, 2001.
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