Não informado. (2004). Environmental & Engineering Geoscience. Association of Engineering Geologists.
Chicago-Zitierstil (17. Ausg.)Não informado. Environmental & Engineering Geoscience. College Station, Tex: Association of Engineering Geologists, 2004.
MLA-Zitierstil (8. Ausg.)Não informado. Environmental & Engineering Geoscience. Association of Engineering Geologists, 2004.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.