Não informado. (1975). Canadian Journal of Remote Sensing. Canadian Aeronautics and Space Institute.
Lua i Stíl Chicago (17ú heag.)Não informado. Canadian Journal of Remote Sensing. Ottawa: Canadian Aeronautics and Space Institute, 1975.
Lua MLA (8ú heag.)Não informado. Canadian Journal of Remote Sensing. Canadian Aeronautics and Space Institute, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.