Não informado. (1966). Journal of Professional Activities. American Society of Civil Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of Professional Activities. New York: American Society of Civil Engineers, 1966.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of Professional Activities. American Society of Civil Engineers, 1966.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.