Scharff, R. F. (1913). National Museum of Science and Art, Dublin: Natural History Division: Colour among animals.
Lua i Stíl Chicago (17ú heag.)Scharff, R. F. National Museum of Science and Art, Dublin: Natural History Division: Colour Among Animals. 1913.
Lua MLA (9ú heag.)Scharff, R. F. National Museum of Science and Art, Dublin: Natural History Division: Colour Among Animals. 1913.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.
