APA (7th ed.) Zitazioa

tinbergen, j. (1963). the appraisal of investment project. National Planning Institute.

Chicago Style (17th ed.) Zitazioa

tinbergen, j. The Appraisal of Investment Project. cairo: National Planning Institute, 1963.

MLA (9th ed.) Zitazioa

tinbergen, j. The Appraisal of Investment Project. National Planning Institute, 1963.

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