rees, c. j. v. (1964). some remarks on tinbergen's approach of project appraisal. the institute of national planning.
Chicago-referens (17:e uppl.)rees, c. j. van. Some Remarks on Tinbergen's Approach of Project Appraisal. cairo: the institute of national planning, 1964.
MLA-referens (9:e uppl.)rees, c. j. van. Some Remarks on Tinbergen's Approach of Project Appraisal. the institute of national planning, 1964.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.