Não informado. (2003). Leadership and Management in Engineering. American Society of Civil Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Leadership and Management in Engineering. Reston, Va: American Society of Civil Engineers, 2003.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Leadership and Management in Engineering. American Society of Civil Engineers, 2003.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.