Gracia, C. M. d. Communion.
Lua i Stíl Chicago (17ú heag.)Gracia, Concepcion M de. Communion.
Lua MLA (9ú heag.)Gracia, Concepcion M de. Communion.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)