Não informado. (1975). Hydrobiological bulletin. Netherlands Hydrobiological Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Hydrobiological Bulletin. Amsterdam: Netherlands Hydrobiological Society, 1975.
Lua MLA (8ú heag.)Não informado. Hydrobiological Bulletin. Netherlands Hydrobiological Society, 1975.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.