Newsome,David & Others. Wildlife tourosm. CBS Publisher.
Lua i Stíl Chicago (17ú heag.)Newsome,David & Others. Wildlife Tourosm. New Delhi: CBS Publisher.
Lua MLA (9ú heag.)Newsome,David & Others. Wildlife Tourosm. CBS Publisher.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.