McGhee, G. R. (2013). When the invasion of land failed: The legacy of the Devonian extinctions. Columbia University Press.
Lua i Stíl Chicago (17ú heag.)McGhee, George R. When the Invasion of Land Failed: The Legacy of the Devonian Extinctions. New York: Columbia University Press, 2013.
Lua MLA (9ú heag.)McGhee, George R. When the Invasion of Land Failed: The Legacy of the Devonian Extinctions. Columbia University Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.