rees, c. j. v. (1964). some remarks on tinbergen's approach of project appraisal. the institute of national planning.
Cytowanie według stylu Chicago (wyd. 17)rees, c. j. van. Some Remarks on Tinbergen's Approach of Project Appraisal. cairo: the institute of national planning, 1964.
Cytowanie według stylu MLA (wyd. 9)rees, c. j. van. Some Remarks on Tinbergen's Approach of Project Appraisal. the institute of national planning, 1964.