Панчфоль 23 сентябрьковста 1846 кизоня. Аф лама пингта меле панчфоль сонь ковоц Тритон.
- Linda T. Elkins-Tanton (2006). Uranus, Neptune, Pluto, and the Outer Solar System. Infobase Publishing. p. 51. ISBN 978-1-4381-0729-5. (анг.)
- de Pater, Jack J.; Lissauer, Imke (2015). Planetary Sciences. New York: Cambridge University Press. p. 250. ISBN 978-0-521-85371-2. (анг.)
- Littmann, Mark; Standish, E.M. (2004). Planets Beyond: Discovering the Outer Solar System. Courier Dover Publications. ISBN 978-0-486-43602-9. (анг.)
- John Davies (2001). Beyond Pluto: Exploring the outer limits of the solar system. Cambridge University Press. p. 104. ISBN 978-0-521-80019-8. (анг.)
- Crida, A. (2009). "Solar System Formation". Reviews in Modern Astronomy. 21. p. 3008. ISBN 978-3-527-62919-0. (анг.)
- Encrenaz, Thérèse. ISO observations of the giant planets and Titan: what have we learnt?. Planetary and Space Science. 51. pp. 89–103. (анг.)
- Unsöld, Albrecht; Baschek, Bodo (2001). The New Cosmos: An Introduction to Astronomy and Astrophysics (5th ed.). Springer. p. 47. ISBN 978-3-540-67877-9. (анг.)
- Mallama, A.; Hilton, J.L. (2018). Computing Apparent Planetary Magnitudes for The Astronomical Almanac. 25. Astronomy and Computing. pp. 10–24. (анг.)
Walter, Elizabeth (21 April 2003). Cambridge Advanced Learner's Dictionary (2nd ed.). Cambridge University Press. ISBN 978-0-521-53106-1. (анг.)