Hamilton, W. R. S. (1839). Researches respecting Quaternions First Series.
Lua i Stíl Chicago (17ú heag.)Hamilton, William Rowan Sir. Researches Respecting Quaternions First Series. 1839.
Lua MLA (9ú heag.)Hamilton, William Rowan Sir. Researches Respecting Quaternions First Series. 1839.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
