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Lua i Stíl Chicago (17ú heag.)F. Harvey Pough, John B. Heisser. Vertebrate Life. Macmillan.
Lua MLA (8ú heag.)F. Harvey Pough, John B. Heisser. Vertebrate Life. Macmillan.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.