Não informado. (1969). Education Canada. Canadian Education Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Education Canada. Toronto, Canada: Canadian Education Association, 1969.
Lua MLA (8ú heag.)Não informado. Education Canada. Canadian Education Association, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.