Anita Ganeri. (2006). Space (Q & A Reference). Parragon Plus.
Lua i Stíl Chicago (17ú heag.)Anita Ganeri. Space (Q & A Reference). Parragon Plus, 2006.
Lua MLA (9ú heag.)Anita Ganeri. Space (Q & A Reference). Parragon Plus, 2006.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.