Não informado. (1925). Contributions from the Boyce Thompson Institute for Plant Research. Boyce Thompson Institute for Plant Research.
Lua i Stíl Chicago (17ú heag.)Não informado. Contributions from the Boyce Thompson Institute for Plant Research. Yonkers, NY: Boyce Thompson Institute for Plant Research, 1925.
Lua MLA (8ú heag.)Não informado. Contributions from the Boyce Thompson Institute for Plant Research. Boyce Thompson Institute for Plant Research, 1925.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.