Não informado. (1967). Utah science. Utah Agricultural Experiment Station.
Lua i Stíl Chicago (17ú heag.)Não informado. Utah Science. Logan, Utah: Utah Agricultural Experiment Station, 1967.
Lua MLA (8ú heag.)Não informado. Utah Science. Utah Agricultural Experiment Station, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.