Não informado. (1952). Nebraska Experiment Station Quarterly. Nebraska Agricultural Experiment Station.
Lua i Stíl Chicago (17ú heag.)Não informado. Nebraska Experiment Station Quarterly. Lincoln, Neb: Nebraska Agricultural Experiment Station, 1952.
Lua MLA (8ú heag.)Não informado. Nebraska Experiment Station Quarterly. Nebraska Agricultural Experiment Station, 1952.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.