Clipps, J. (1986). Groundwater in engineering geology: Proceedings of the 21st annual conference of the Engineering Group of the Geogical Society held at the University of Sheffield 15th - 19th September 1985 (first published.). The Geological Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Clipps, J.C. Groundwater in Engineering Geology: Proceedings of the 21st Annual Conference of the Engineering Group of the Geogical Society Held at the University of Sheffield 15th - 19th September 1985. first published. London: The Geological Society, 1986.
Παραπομπή σε μορφή MLA (8th εκδ.)Clipps, J.C. Groundwater in Engineering Geology: Proceedings of the 21st Annual Conference of the Engineering Group of the Geogical Society Held at the University of Sheffield 15th - 19th September 1985. first published. The Geological Society, 1986.