Geological Society & Culshaw, M. G. (1987). Planning and engineering geology: Proceedings of the 22nd annual conference of the Engineering Group of the Geological Society held at Plymouth Polytechnic 8-12 September 1986. published by The Geological Society.
Παραπομπή σε μορφή Chicago (17η εκδ.)Geological Society και M. G. Culshaw. Planning and Engineering Geology: Proceedings of the 22nd Annual Conference of the Engineering Group of the Geological Society Held at Plymouth Polytechnic 8-12 September 1986. London: published by The Geological Society, 1987.
Παραπομπή σε μορφή MLA (8th εκδ.)Geological Society και M. G. Culshaw. Planning and Engineering Geology: Proceedings of the 22nd Annual Conference of the Engineering Group of the Geological Society Held at Plymouth Polytechnic 8-12 September 1986. published by The Geological Society, 1987.