Não informado. (2003). Bulletin of Engineering Geology and the Environment. Springer.
Chicago (17e ed.) BronvermeldingNão informado. Bulletin of Engineering Geology and the Environment. Heidelberg, Alemanha: Springer, 2003.
MLA (8e ed.) BronvermeldingNão informado. Bulletin of Engineering Geology and the Environment. Springer, 2003.
Let op: Deze citaties zijn niet altijd 100% accuraat.