Não informado. (1905). School science and mathematics. School Science and Mathematics Association.
Lua i Stíl Chicago (17ú heag.)Não informado. School Science and Mathematics. Menasha, Wis: School Science and Mathematics Association, 1905.
Lua MLA (8ú heag.)Não informado. School Science and Mathematics. School Science and Mathematics Association, 1905.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.