Não informado. (2007). Report of the Penrose Research Laboratory. Zoological Society of Philadelphia.
Lua i Stíl Chicago (17ú heag.)Não informado. Report of the Penrose Research Laboratory. Philadelphia, Pa: Zoological Society of Philadelphia, 2007.
Lua MLA (8ú heag.)Não informado. Report of the Penrose Research Laboratory. Zoological Society of Philadelphia, 2007.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.