Não informado. (2002). Parks & Recreation. National Recreation and Park Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Parks & Recreation. Arlington, Va: National Recreation and Park Association, 2002.
Lua MLA (8ú heag.)Não informado. Parks & Recreation. National Recreation and Park Association, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.