Não informado. (1978). Farmer cooperatives. Department of Agriculture, Agricultural Cooperative Service.
Lua i Stíl Chicago (17ú heag.)Não informado. Farmer Cooperatives. Washington: Department of Agriculture, Agricultural Cooperative Service, 1978.
Lua MLA (8ú heag.)Não informado. Farmer Cooperatives. Department of Agriculture, Agricultural Cooperative Service, 1978.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.