Barrett, N. S. (1988). Big cats. F. Watts.
Lua i Stíl Chicago (17ú heag.)Barrett, Norman S. Big Cats. London: F. Watts, 1988.
Lua MLA (9ú heag.)Barrett, Norman S. Big Cats. F. Watts, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.