Não informado. (1989). Journal of Materials in Civil Engineering. American Society of Civil Engineers.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of Materials in Civil Engineering. New York: American Society of Civil Engineers, 1989.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of Materials in Civil Engineering. American Society of Civil Engineers, 1989.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.