Richard Fitzpatrick. (2012). An Introduction to Celestial Mechanics (1.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Richard Fitzpatrick. An Introduction to Celestial Mechanics. 1. Cambridge University Press, 2012.
Lua MLA (8ú heag.)Richard Fitzpatrick. An Introduction to Celestial Mechanics. 1. Cambridge University Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.