PANCHEN, A. L. (1994). Classification, Evolution, And The Nature Of Biology. Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)PANCHEN, Alec L. Classification, Evolution, And The Nature Of Biology. Cambridge University Press, 1994.
Lua MLA (8ú heag.)PANCHEN, Alec L. Classification, Evolution, And The Nature Of Biology. Cambridge University Press, 1994.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.