Não informado. (1909). American midland naturalist. University of Notre Dame, American Midland Naturalist.
Lua i Stíl Chicago (17ú heag.)Não informado. American Midland Naturalist. Notre Dame, Ind: University of Notre Dame, American Midland Naturalist, 1909.
Lua MLA (8ú heag.)Não informado. American Midland Naturalist. University of Notre Dame, American Midland Naturalist, 1909.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.