Hansen, J. R. (1978). Gudie to practical project appraisal: Social benefit- cost analysis in developing countries. Oxford I B H publishing company.
シカゴスタイル引用形Hansen, J R. Gudie to Practical Project Appraisal: Social Benefit- Cost Analysis in Developing Countries. New Delhi: Oxford I B H publishing company, 1978.
MLA引用形式Hansen, J R. Gudie to Practical Project Appraisal: Social Benefit- Cost Analysis in Developing Countries. Oxford I B H publishing company, 1978.
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