APA (7e ed.) Bronvermelding

tinbergen, j. (1962). the appraisal of investment projects: The semi input- output method. the institute of national planning.

Chicago (17e ed.) Bronvermelding

tinbergen, jan. The Appraisal of Investment Projects: The Semi Input- Output Method. cairo: the institute of national planning, 1962.

MLA (9e ed.) Bronvermelding

tinbergen, jan. The Appraisal of Investment Projects: The Semi Input- Output Method. the institute of national planning, 1962.

Let op: Deze citaties zijn niet altijd 100% accuraat.