Não informado. (1968). News and views. American Horticultural Society.
Lua i Stíl Chicago (17ú heag.)Não informado. News and Views. Alexandria, Va: American Horticultural Society, 1968.
Lua MLA (8ú heag.)Não informado. News and Views. American Horticultural Society, 1968.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.