Guillermo, G. Y. Thumb-mark.
Lua i Stíl Chicago (17ú heag.)Guillermo, Gelacio Y. Thumb-mark.
Lua MLA (9ú heag.)Guillermo, Gelacio Y. Thumb-mark.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)