Παραπομπή APA

Sell, A. (1991). Project evaluation: An integrated financial and economic analysis. Aldershot [England] ; Brookfield, USA: Avebury.

Παραπομπή Chicago Style

Sell, Axel. Project Evaluation: An Integrated Financial and Economic Analysis. Aldershot [England] ; Brookfield, USA: Avebury, 1991.

Παραπομπή MLA

Sell, Axel. Project Evaluation: An Integrated Financial and Economic Analysis. Aldershot [England] ; Brookfield, USA: Avebury, 1991.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.