Não informado. (1959). Cooperative Groundwater Report. State Geological Survet, State Water Survey.
Lua i Stíl Chicago (17ú heag.)Não informado. Cooperative Groundwater Report. Champaign, Ill: State Geological Survet, State Water Survey, 1959.
Lua MLA (8ú heag.)Não informado. Cooperative Groundwater Report. State Geological Survet, State Water Survey, 1959.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.