Goldstein Margaret J. (2003). Our Univers Stars. Lerner.
Lua i Stíl Chicago (17ú heag.)Goldstein Margaret J. Our Univers Stars. UK: Lerner, 2003.
Lua MLA (9ú heag.)Goldstein Margaret J. Our Univers Stars. Lerner, 2003.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.