Dyfyniad APA

Snell, M. (1997). Cost-benefit analysisfor engineers and plannersMichael Snell. Thomas Telford.

Dyfyniad Arddull Chicago

Snell, Michael. Cost-benefit Analysisfor Engineers and PlannersMichael Snell. Thomas Telford, 1997.

Dyfyniad MLA

Snell, Michael. Cost-benefit Analysisfor Engineers and PlannersMichael Snell. Thomas Telford, 1997.

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