U. S. Department of Agriculture, Office of Experiment Stations. (1896). Farmers’ bulletin: научное издание. No 1-25.
Lua i Stíl Chicago (17ú heag.)U. S. Department of Agriculture, Office of Experiment Stations. Farmers’ Bulletin: научное издание. No 1-25. 1896.
Lua MLA (9ú heag.)U. S. Department of Agriculture, Office of Experiment Stations. Farmers’ Bulletin: научное издание. No 1-25. 1896.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.