APA (7th ed.) Zitazioa

rees, c. j. v. (1964). some remarks on tinbergen's approach of project appraisal. the institute of national planning.

Chicago Style (17th ed.) Zitazioa

rees, c. j. van. Some Remarks on Tinbergen's Approach of Project Appraisal. cairo: the institute of national planning, 1964.

MLA (9th ed.) Zitazioa

rees, c. j. van. Some Remarks on Tinbergen's Approach of Project Appraisal. the institute of national planning, 1964.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.