Não informado. Association of Engineering Geologists newsletter. Association of Engineering Geologists.
Chicago (17e ed.) BronvermeldingNão informado. Association of Engineering Geologists Newsletter. Lawrence, Kan: Association of Engineering Geologists.
MLA (8e ed.) BronvermeldingNão informado. Association of Engineering Geologists Newsletter. Association of Engineering Geologists.
Let op: Deze citaties zijn niet altijd 100% accuraat.