Valentina V. Ukraintseva. (2013). Mammoths and the Environment (1.). Cambridge University Press.
Lua i Stíl Chicago (17ú heag.)Valentina V. Ukraintseva. Mammoths and the Environment. 1. Cambridge University Press, 2013.
Lua MLA (8ú heag.)Valentina V. Ukraintseva. Mammoths and the Environment. 1. Cambridge University Press, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.