Ford, A. (1999). Modeling the environment: An introduction to system dynamics models of environmental systems. Island Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)Ford, Andrew. Modeling the Environment: An Introduction to System Dynamics Models of Environmental Systems. Washington, D.C: Island Press, 1999.
Παραπομπή σε μορφή MLA (9th εκδ.)Ford, Andrew. Modeling the Environment: An Introduction to System Dynamics Models of Environmental Systems. Island Press, 1999.
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