Não informado. (2001). Amaryllis yearbook. American Plant Life Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Amaryllis Yearbook. La Jolla, Calif: American Plant Life Society, 2001.
Lua MLA (8ú heag.)Não informado. Amaryllis Yearbook. American Plant Life Society, 2001.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.