(1990). International Handbook Of National Parks And Nature Reserves Edited B Craig W. Allin. Greenwood Press.
Lua i Stíl Chicago (17ú heag.)International Handbook Of National Parks And Nature Reserves Edited B Craig W. Allin. Greenwood Press, 1990.
Lua MLA (8ú heag.)International Handbook Of National Parks And Nature Reserves Edited B Craig W. Allin. Greenwood Press, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.