Multidisciplinary Conference on Sinkholes and the Environmental Impacts of Karst : Orlando, Florida Sinkhole Research Institute, Beck, B. F., & Wilson, W. L. (1987). Karst hydrogeology: Engineering and environmental applications : proceedings of the Second Multidisciplinary Conference on Sinkholes and the Environmental Impacts of Karst, Orlando/Florida/9-11 February 1987. Balkema.
Παραπομπή σε μορφή Chicago (17η εκδ.)Multidisciplinary Conference on Sinkholes and the Environmental Impacts of Karst : Orlando, Florida Sinkhole Research Institute, Barry F. Beck, και William L. Wilson. Karst Hydrogeology: Engineering and Environmental Applications : Proceedings of the Second Multidisciplinary Conference on Sinkholes and the Environmental Impacts of Karst, Orlando/Florida/9-11 February 1987. Rotterdam: Balkema, 1987.
Παραπομπή σε μορφή MLA (9th εκδ.)Multidisciplinary Conference on Sinkholes and the Environmental Impacts of Karst : Orlando, et al. Karst Hydrogeology: Engineering and Environmental Applications : Proceedings of the Second Multidisciplinary Conference on Sinkholes and the Environmental Impacts of Karst, Orlando/Florida/9-11 February 1987. Balkema, 1987.