Não informado. (1921). Entomological bulletin. Department of Science and Agriculture.
Lua i Stíl Chicago (17ú heag.)Não informado. Entomological Bulletin. Kingston: Department of Science and Agriculture, 1921.
Lua MLA (8ú heag.)Não informado. Entomological Bulletin. Department of Science and Agriculture, 1921.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.