Não informado. (1909). Contributions from the Biological Laboratory of Brown University. Brown University, Biological Laboratory.
Lua i Stíl Chicago (17ú heag.)Não informado. Contributions from the Biological Laboratory of Brown University. Providence, RI: Brown University, Biological Laboratory, 1909.
Lua MLA (8ú heag.)Não informado. Contributions from the Biological Laboratory of Brown University. Brown University, Biological Laboratory, 1909.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.