Bastick, C. H. and Walker, M. G, Extent and impacts of Dryland Salinity in Tasmania. "[1]" Department of Primary Industries, Water and Environment, August 2000.
google.com
Janet Groene, Gordon Groene, U.S. Caribbean Guide, 1998, Groene, Janet (октобар 1998). U.S. Caribbean Guide. Open Road. ISBN1883323878.CS1 одржавање: Формат датума (веза)p. 81