Não informado. (1913). Extension Bulletin. Washington State University, Cooperative Extension Service.
Lua i Stíl Chicago (17ú heag.)Não informado. Extension Bulletin. Pullman, Wash: Washington State University, Cooperative Extension Service, 1913.
Lua MLA (8ú heag.)Não informado. Extension Bulletin. Washington State University, Cooperative Extension Service, 1913.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.