Hopkins, L. D., & Zapata, M. (2007). Engaging the future: Forecasts, scenarios, plans, and projects. Lincoln Institute of Land Policy.
Citace podle Chicago (17th ed.)Hopkins, Lewis D., a Marisa Zapata. Engaging the Future: Forecasts, Scenarios, Plans, and Projects. Cambridge, Massachusetts: Lincoln Institute of Land Policy, 2007.
Citace podle MLA (9th ed.)Hopkins, Lewis D., a Marisa Zapata. Engaging the Future: Forecasts, Scenarios, Plans, and Projects. Lincoln Institute of Land Policy, 2007.
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