Não informado. (2004). Concrete Engineering International. Palladian Publications.
Chicago (17e ed.) BronvermeldingNão informado. Concrete Engineering International. Farnham Royal, Inglaterra: Palladian Publications, 2004.
MLA (8e ed.) BronvermeldingNão informado. Concrete Engineering International. Palladian Publications, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.