Ayala, F. Oppenheimer.
Lua i Stíl Chicago (17ú heag.)Ayala, Francisco. Oppenheimer.
Lua MLA (8ú heag.)Ayala, Francisco. Oppenheimer.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
Lua APA (7ú heag.)