Não informado. (1958). Transactions of the ASAE. American Society of Agricultural Engineers.
Lua i Stíl Chicago (17ú heag.)Não informado. Transactions of the ASAE. St. Joseph, Mich: American Society of Agricultural Engineers, 1958.
Lua MLA (8ú heag.)Não informado. Transactions of the ASAE. American Society of Agricultural Engineers, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.