Penn GSE Perspectives on Urban Education. University of Pennsylvania.
Lua i Stíl Chicago (17ú heag.)Penn GSE Perspectives on Urban Education. University of Pennsylvania.
Lua MLA (9ú heag.)Penn GSE Perspectives on Urban Education. University of Pennsylvania.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.