Dyfyniad APA

Blackman, A., Alpízar, F., Carlsson, F., & Rivera Planter, M. (2015). A Contingent Valuation Approach to Estimating Regulatory Costs: Mexico’s Day without Driving Program.

Dyfyniad Arddull Chicago

Blackman, Allen, Francisco Alpízar, Fredrik Carlsson, y Marisol Rivera Planter. A Contingent Valuation Approach to Estimating Regulatory Costs: Mexico’s Day Without Driving Program. 2015.

Dyfyniad MLA

Blackman, Allen, Francisco Alpízar, Fredrik Carlsson, y Marisol Rivera Planter. A Contingent Valuation Approach to Estimating Regulatory Costs: Mexico’s Day Without Driving Program. 2015.

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