Não informado. (1969). Sida, Contributions to Botany. Southern Methodist University.
Lua i Stíl Chicago (17ú heag.)Não informado. Sida, Contributions to Botany. Dallas, Tex: Southern Methodist University, 1969.
Lua MLA (8ú heag.)Não informado. Sida, Contributions to Botany. Southern Methodist University, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.