Não informado. (2004). International structural engineering abstracts. CITIS.
Chicago (17e ed.) BronvermeldingNão informado. International Structural Engineering Abstracts. Dublin: CITIS, 2004.
MLA (8e ed.) BronvermeldingNão informado. International Structural Engineering Abstracts. CITIS, 2004.
Let op: Deze citaties zijn niet altijd 100% accuraat.