(Ingelesez)Blue, Jennifer; International Astronomical Union; Working Group for Planetary System Nomenclature; Astrogeology Research Program (Geological Survey); Astrogeology Research Program (Geological Survey); Planetary Geomatics Group; Geological Survey (U.S.); International Astronomical Union. (1999). Gazetteer of planetary nomenclature. U.S. Geological Survey PMC44396779. (Noiz kontsultatua: 2019-03-14).
(Ingelesez)Blue, Jennifer; International Astronomical Union; Working Group for Planetary System Nomenclature; Astrogeology Research Program (Geological Survey); Astrogeology Research Program (Geological Survey); Planetary Geomatics Group; Geological Survey (U.S.); International Astronomical Union. (1999). Gazetteer of planetary nomenclature. U.S. Geological Survey PMC44396779. (Noiz kontsultatua: 2019-03-14).