Field, P. (1964). Cougar Canyon. Frederick Muller.
Lua i Stíl Chicago (17ú heag.)Field, Peter. Cougar Canyon. London: Frederick Muller, 1964.
Lua MLA (8ú heag.)Field, Peter. Cougar Canyon. Frederick Muller, 1964.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.