American Journal of Botany. Botanical Society of America.
Lua i Stíl Chicago (17ú heag.)American Journal of Botany. US: Botanical Society of America.
Lua MLA (9ú heag.)American Journal of Botany. Botanical Society of America.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.