Brown, S. L. (1993). The social behaviour of neutered domestic cats (Felis catus). British Library Document Supply Centre.
Lua i Stíl Chicago (17ú heag.)Brown, Sarah Louise. The Social Behaviour of Neutered Domestic Cats (Felis Catus). Boston Spa, United Kingdom: British Library Document Supply Centre, 1993.
Lua MLA (8ú heag.)Brown, Sarah Louise. The Social Behaviour of Neutered Domestic Cats (Felis Catus). British Library Document Supply Centre, 1993.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.