Não informado. (1986). Washington Park Arboretum bulletin. University of Washington, Arboretum Foundation.
Lua i Stíl Chicago (17ú heag.)Não informado. Washington Park Arboretum Bulletin. Seattle, Wash: University of Washington, Arboretum Foundation, 1986.
Lua MLA (8ú heag.)Não informado. Washington Park Arboretum Bulletin. University of Washington, Arboretum Foundation, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.