Spyglass Numbers We Know. Compass Point Books.
Lua i Stíl Chicago (17ú heag.)Spyglass Numbers We Know. Compass Point Books.
Lua MLA (9ú heag.)Spyglass Numbers We Know. Compass Point Books.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.