Não informado. (1970). Farm chemicals and crop life. Meister Publishing.
Lua i Stíl Chicago (17ú heag.)Não informado. Farm Chemicals and Crop Life. Willoughby, Ohio: Meister Publishing, 1970.
Lua MLA (8ú heag.)Não informado. Farm Chemicals and Crop Life. Meister Publishing, 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.