Não informado. (1976). Alberta Science Education Journal. Alberta Teachers Association.
Lua i Stíl Chicago (17ú heag.)Não informado. Alberta Science Education Journal. Edmonton, Canada: Alberta Teachers Association, 1976.
Lua MLA (8ú heag.)Não informado. Alberta Science Education Journal. Alberta Teachers Association, 1976.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.