Kimmins, J. Forrest ecology. Macmillan.
Lua i Stíl Chicago (17ú heag.)Kimmins, J.P. Forrest Ecology. Macmillan.
Lua MLA (8ú heag.)Kimmins, J.P. Forrest Ecology. Macmillan.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.