Não informado. (2000). Technical notes. U.S. Lake States Forest Experiment Station.
Lua i Stíl Chicago (17ú heag.)Não informado. Technical Notes. Saint Paul, Minn: U.S. Lake States Forest Experiment Station, 2000.
Lua MLA (8ú heag.)Não informado. Technical Notes. U.S. Lake States Forest Experiment Station, 2000.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.