Não informado. (1891). Bulletin of the North Dakota Agricultural Experiment Station. North Dakota Agricultural Experiment Station.
Lua i Stíl Chicago (17ú heag.)Não informado. Bulletin of the North Dakota Agricultural Experiment Station. Fargo, ND: North Dakota Agricultural Experiment Station, 1891.
Lua MLA (8ú heag.)Não informado. Bulletin of the North Dakota Agricultural Experiment Station. North Dakota Agricultural Experiment Station, 1891.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.