Παραπομπή APA

(1976). An introduction to engineering economics. London: Institution of Civil Engineers.

Παραπομπή Chicago Style

An Introduction to Engineering Economics. London: Institution of Civil Engineers, 1976.

Παραπομπή MLA

An Introduction to Engineering Economics. London: Institution of Civil Engineers, 1976.

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